[OpenMP] Sema and parsing for 'teams distribute' pragma

This patch is to implement sema and parsing for 'teams distribute' pragma.

Differential Revision: https://reviews.llvm.org/D23189

llvm-svn: 277818

13 files changed, 3165 insertions, 0 deletions

diff --git a/clang/test/OpenMP/nesting_of_regions.cpp b/clang/test/OpenMP/nesting_of_regions.cpp
index 6c44d94a67b..8f6fb35bd3d 100644
--- a/clang/test/OpenMP/nesting_of_regions.cpp
+++ b/clang/test/OpenMP/nesting_of_regions.cpp
@@ -161,6 +161,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp parallel
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'parallel' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
   
 // SIMD DIRECTIVE
 #pragma omp simd
@@ -359,6 +365,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // FOR DIRECTIVE
 #pragma omp for
@@ -570,6 +582,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp for
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // FOR SIMD DIRECTIVE
 #pragma omp for simd
@@ -769,6 +787,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp for simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // SECTIONS DIRECTIVE
 #pragma omp sections
@@ -985,6 +1009,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp sections
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'sections' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // SECTION DIRECTIVE
 #pragma omp section // expected-error {{orphaned 'omp section' directives are prohibited, it must be closely nested to a sections region}}
@@ -1259,6 +1289,13 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp sections
+  {
+#pragma omp section
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'section' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // SINGLE DIRECTIVE
 #pragma omp single
@@ -1461,6 +1498,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp single
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'single' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // MASTER DIRECTIVE
 #pragma omp master
@@ -1663,6 +1706,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp master
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'master' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // CRITICAL DIRECTIVE
 #pragma omp critical
@@ -1879,6 +1928,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp critical
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'critical' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // PARALLEL FOR DIRECTIVE
 #pragma omp parallel for
@@ -2095,6 +2150,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp parallel for
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'parallel for' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // PARALLEL FOR SIMD DIRECTIVE
 #pragma omp parallel for simd
@@ -2312,6 +2373,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp parallel for simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // PARALLEL SECTIONS DIRECTIVE
 #pragma omp parallel sections
@@ -2517,6 +2584,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp parallel sections
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'parallel sections' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TASK DIRECTIVE
 #pragma omp task
@@ -2669,6 +2742,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp task
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'task' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // ORDERED DIRECTIVE
 #pragma omp ordered
@@ -2892,6 +2971,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp ordered
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'ordered' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // ATOMIC DIRECTIVE
 #pragma omp atomic
@@ -3145,6 +3230,14 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp atomic
+  // expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
+  // expected-note@+1 {{expected an expression statement}}
+  {
+#pragma omp teams distribute // expected-error {{OpenMP constructs may not be nested inside an atomic region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TARGET DIRECTIVE
 #pragma omp target
@@ -3313,6 +3406,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp target
+  { 
+#pragma omp teams distribute // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TARGET PARALLEL DIRECTIVE
 #pragma omp target parallel
@@ -3475,6 +3574,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp target parallel
+  { 
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'target parallel' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TARGET PARALLEL FOR DIRECTIVE
 #pragma omp target parallel for
@@ -3691,6 +3796,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }    
+#pragma omp target parallel for
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'target parallel for' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }    
 
 // TEAMS DIRECTIVE
 #pragma omp teams // expected-error {{orphaned 'omp teams' directives are prohibited; perhaps you forget to enclose the directive into a target region?}}
@@ -3898,6 +4009,13 @@ void foo() {
   for (int i = 0; i < 10; ++i)
     ;
   }
+#pragma omp target
+#pragma omp teams
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'teams' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+  for (int i = 0; i < 10; ++i)
+    ;
+  }
 
 // TASKLOOP DIRECTIVE
 #pragma omp taskloop
@@ -4105,6 +4223,12 @@ void foo() {
   for (int j = 0; j < 10; ++j)
     ++a;
   }
+#pragma omp taskloop
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+  for (int j = 0; j < 10; ++j)
+    ++a;
+  }
 
 // DISTRIBUTE DIRECTIVE
 #pragma omp target
@@ -4338,6 +4462,14 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp target
+#pragma omp teams
+#pragma omp distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'distribute' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // DISTRIBUTE PARALLEL FOR DIRECTIVE
 #pragma omp target
@@ -4579,6 +4711,14 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp target
+#pragma omp teams
+#pragma omp distribute parallel for
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'distribute parallel for' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // DISTRIBUTE PARALLEL FOR SIMD DIRECTIVE
 #pragma omp target
@@ -4828,6 +4968,14 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ++a;
   }
+#pragma omp target
+#pragma omp teams
+#pragma omp distribute parallel for simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
 
 // TARGET SIMD DIRECTIVE
 #pragma omp target simd
@@ -5015,6 +5163,240 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ++a;
   }
+#pragma omp target simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
+
+// TEAMS DISTRIBUTE DIRECTIVE
+#pragma omp teams distribute // expected-error {{orphaned 'omp teams distribute' directives are prohibited; perhaps you forget to enclose the directive into a target region?}}
+  for (int i = 0; i < 10; ++i)
+    ;
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp distribute parallel for simd // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp distribute parallel for simd' directive into a teams region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp distribute // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp distribute' directive into a teams region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp for // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp simd // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp for simd // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp sections // OK
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp section // expected-error {{'omp section' directive must be closely nested to a sections region, not a teams distribute region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp single // OK
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp master // OK
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp critical // OK
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel // OK
+    {
+#pragma omp single
+      {
+	bar();
+      }
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel for // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel for simd // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel sections // OK
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp task // OK
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp taskyield // OK
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp barrier // OK
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp taskwait // OK
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp flush // OK
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp atomic // OK
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target // expected-error {{region cannot be nested inside 'target' region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target parallel  // expected-error {{region cannot be nested inside 'target' region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target parallel for // expected-error {{region cannot be nested inside 'target' region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target enter data map(to: a) // expected-error {{region cannot be nested inside 'target' region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target exit data map(from: a) // expected-error {{region cannot be nested inside 'target' region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target update to(a) // expected-error {{region cannot be nested inside 'target' region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp distribute simd // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp distribute simd' directive into a teams region?}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target simd // expected-error {{region cannot be nested inside 'target' region}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
 }
 
 void foo() {
@@ -5174,6 +5556,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp parallel
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'parallel' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // SIMD DIRECTIVE
 #pragma omp simd
@@ -5356,6 +5744,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // FOR DIRECTIVE
 #pragma omp for
@@ -5558,6 +5952,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp for
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // FOR SIMD DIRECTIVE
 #pragma omp for simd
@@ -5740,6 +6140,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp for simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // SECTIONS DIRECTIVE
 #pragma omp sections
@@ -5931,6 +6337,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp sections
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'sections' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // SECTION DIRECTIVE
 #pragma omp section // expected-error {{orphaned 'omp section' directives are prohibited, it must be closely nested to a sections region}}
@@ -6215,6 +6627,13 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp sections
+  {
+#pragma omp section
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'section' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // SINGLE DIRECTIVE
 #pragma omp single
@@ -6407,6 +6826,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp single
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'single' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // MASTER DIRECTIVE
 #pragma omp master
@@ -6609,6 +7034,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp master
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'master' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // CRITICAL DIRECTIVE
 #pragma omp critical
@@ -6830,6 +7261,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp critical
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'critical' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // PARALLEL FOR DIRECTIVE
 #pragma omp parallel for
@@ -7047,6 +7484,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp parallel for
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'parallel for' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // PARALLEL FOR SIMD DIRECTIVE
 #pragma omp parallel for simd
@@ -7264,6 +7707,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp parallel for simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // PARALLEL SECTIONS DIRECTIVE
 #pragma omp parallel sections
@@ -7465,6 +7914,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp parallel sections
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'parallel sections' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TASK DIRECTIVE
 #pragma omp task
@@ -7616,6 +8071,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp task
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'task' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // ATOMIC DIRECTIVE
 #pragma omp atomic
@@ -7868,6 +8329,14 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp atomic
+  // expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
+  // expected-note@+1 {{expected an expression statement}}
+  {
+#pragma omp teams distribute // expected-error {{OpenMP constructs may not be nested inside an atomic region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TARGET DIRECTIVE
 #pragma omp target
@@ -8033,6 +8502,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp target
+  { 
+#pragma omp teams distribute // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TARGET PARALLEL DIRECTIVE
 #pragma omp target parallel
@@ -8195,6 +8670,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp target parallel
+  { 
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'target parallel' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TARGET PARALLEL FOR DIRECTIVE
 #pragma omp target parallel for
@@ -8412,6 +8893,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp target parallel for
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'target parallel for' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // TEAMS DIRECTIVE
 #pragma omp target
@@ -8621,6 +9108,13 @@ void foo() {
   for (int i = 0; i < 10; ++i)
     ;
   }
+#pragma omp target
+#pragma omp teams
+  {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'teams' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+  for (int i = 0; i < 10; ++i)
+    ;
+  }
 
 // TASKLOOP DIRECTIVE
 #pragma omp taskloop
@@ -8828,6 +9322,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp taskloop
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // DISTRIBUTE DIRECTIVE
 #pragma omp target
@@ -9337,6 +9837,14 @@ void foo() {
   for (int i = 0; i < 10; ++i)
     ++a;
   }
+#pragma omp target
+#pragma omp teams
+#pragma omp distribute parallel for
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'distribute parallel for' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+  for (int i = 0; i < 10; ++i)
+    ++a;
+  }
 
 // DISTRIBUTE PARALLEL FOR SIMD DIRECTIVE
 #pragma omp target
@@ -9579,6 +10087,14 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp target
+#pragma omp teams
+#pragma omp distribute parallel for simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // DISTRIBUTE SIMD DIRECTIVE
 #pragma omp target
@@ -9821,6 +10337,14 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp target
+#pragma omp teams
+#pragma omp distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TARGET SIMD DIRECTIVE
 #pragma omp target simd
@@ -10002,5 +10526,239 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp target simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+
+// TEAMS DISTRIBUTE DIRECTIVE
+#pragma omp teams distribute // expected-error {{orphaned 'omp teams distribute' directives are prohibited; perhaps you forget to enclose the directive into a target region?}}
+  for (int i = 0; i < 10; ++i)
+    ;
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp distribute parallel for simd // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp distribute parallel for simd' directive into a teams region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp distribute // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp distribute' directive into a teams region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp for // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp simd // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp for simd // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp sections // OK
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp section // expected-error {{'omp section' directive must be closely nested to a sections region, not a teams distribute region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp single // OK
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp master // OK
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp critical // OK
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel // OK
+    {
+#pragma omp single
+      {
+	bar();
+      }
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel for // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel for simd // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel sections // OK
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp task // OK
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp taskyield // OK
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp barrier // OK
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp taskwait // OK
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp flush // OK
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp ordered' directive into a for or a parallel for region with 'ordered' clause?}}
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp atomic // OK
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target // expected-error {{region cannot be nested inside 'target' region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target parallel  // expected-error {{region cannot be nested inside 'target' region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target parallel for // expected-error {{region cannot be nested inside 'target' region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target enter data map(to: a) // expected-error {{region cannot be nested inside 'target' region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target exit data map(from: a) // expected-error {{region cannot be nested inside 'target' region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp teams' directive into a target region?}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target update to(a) // expected-error {{region cannot be nested inside 'target' region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp distribute simd // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp distribute simd' directive into a teams region?}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target simd // expected-error {{region cannot be nested inside 'target' region}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp teams distribute' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
   return foo<int>();
 }
diff --git a/clang/test/OpenMP/teams_distribute_ast_print.cpp b/clang/test/OpenMP/teams_distribute_ast_print.cpp
new file mode 100644
index 00000000000..5dd71c9d1af
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_ast_print.cpp
@@ -0,0 +1,179 @@
+// RUN: %clang_cc1 -verify -fopenmp -ast-print %s | FileCheck %s
+// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -emit-pch -o %t %s
+// RUN: %clang_cc1 -fopenmp -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
+// expected-no-diagnostics
+
+#ifndef HEADER
+#define HEADER
+
+void foo() {}
+
+struct S {
+  S(): a(0) {}
+  S(int v) : a(v) {}
+  int a;
+  typedef int type;
+};
+
+template <typename T>
+class S7 : public T {
+protected:
+  T a;
+  S7() : a(0) {}
+
+public:
+  S7(typename T::type v) : a(v) {
+#pragma omp target
+#pragma omp teams distribute private(a) private(this->a) private(T::a)
+    for (int k = 0; k < a.a; ++k)
+      ++this->a.a;
+  }
+  S7 &operator=(S7 &s) {
+#pragma omp target
+#pragma omp teams distribute private(a) private(this->a)
+    for (int k = 0; k < s.a.a; ++k)
+      ++s.a.a;
+    return *this;
+  }
+
+  void foo() {
+    int b, argv, d, c, e, f;
+#pragma omp target
+#pragma omp teams distribute default(none), private(b) firstprivate(argv) shared(d) reduction(+:c) reduction(max:e) num_teams(f) thread_limit(d)
+    for (int k = 0; k < a.a; ++k)
+      ++a.a;
+  }
+};
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute private(this->a) private(this->a) private(this->S::a)
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute private(this->a) private(this->a) private(T::a)
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute private(this->a) private(this->a)
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute default(none) private(b) firstprivate(argv) shared(d) reduction(+: c) reduction(max: e) num_teams(f) thread_limit(d)
+
+class S8 : public S7<S> {
+  S8() {}
+
+public:
+  S8(int v) : S7<S>(v){
+#pragma omp target
+#pragma omp teams distribute private(a) private(this->a) private(S7<S>::a) 
+    for (int k = 0; k < a.a; ++k)
+      ++this->a.a;
+  }
+  S8 &operator=(S8 &s) {
+#pragma omp target
+#pragma omp teams distribute private(a) private(this->a)
+    for (int k = 0; k < s.a.a; ++k)
+      ++s.a.a;
+    return *this;
+  }
+
+  void bar() {
+    int b, argv, d, c, e, f;
+#pragma omp target
+#pragma omp teams distribute default(none), private(b) firstprivate(argv) shared(d) reduction(+:c) reduction(max:e) num_teams(f) thread_limit(d)
+    for (int k = 0; k < a.a; ++k)
+      ++a.a;
+  }
+};
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute private(this->a) private(this->a) private(this->S7<S>::a)
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute private(this->a) private(this->a)
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute default(none) private(b) firstprivate(argv) shared(d) reduction(+: c) reduction(max: e) num_teams(f) thread_limit(d)
+
+template <class T, int N>
+T tmain(T argc) {
+  T b = argc, c, d, e, f, g;
+  static T a;
+// CHECK: static T a;
+#pragma omp target
+#pragma omp teams distribute
+  for (int i=0; i < 2; ++i)
+    a = 2;
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute
+// CHECK-NEXT: for (int i = 0; i < 2; ++i)
+// CHECK-NEXT: a = 2;
+#pragma omp target
+#pragma omp teams distribute private(argc, b), firstprivate(c, d), collapse(2)
+  for (int i = 0; i < 10; ++i)
+    for (int j = 0; j < 10; ++j)
+      foo();
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute private(argc,b) firstprivate(c,d) collapse(2)
+// CHECK-NEXT: for (int i = 0; i < 10; ++i)
+// CHECK-NEXT: for (int j = 0; j < 10; ++j)
+// CHECK-NEXT: foo();
+  for (int i = 0; i < 10; ++i)
+    foo();
+// CHECK: for (int i = 0; i < 10; ++i)
+// CHECK-NEXT: foo();
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i)
+    foo();
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute
+// CHECK-NEXT: for (int i = 0; i < 10; ++i)
+// CHECK-NEXT: foo();  
+#pragma omp target
+#pragma omp teams distribute default(none), private(b) firstprivate(argc) shared(d) reduction(+:c) reduction(max:e) num_teams(f) thread_limit(d)
+    for (int k = 0; k < 10; ++k)
+      e += d + argc;
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute default(none) private(b) firstprivate(argc) shared(d) reduction(+: c) reduction(max: e) num_teams(f) thread_limit(d)
+// CHECK-NEXT: for (int k = 0; k < 10; ++k)
+// CHECK-NEXT: e += d + argc;
+  return T();
+}
+
+int main (int argc, char **argv) {
+  int b = argc, c, d, e, f, g;
+  static int a;
+// CHECK: static int a;
+#pragma omp target
+#pragma omp teams distribute
+  for (int i=0; i < 2; ++i)
+    a = 2;
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute
+// CHECK-NEXT: for (int i = 0; i < 2; ++i)
+// CHECK-NEXT: a = 2;
+#pragma omp target
+#pragma omp teams distribute private(argc,b),firstprivate(argv, c), collapse(2)
+  for (int i = 0; i < 10; ++i)
+    for (int j = 0; j < 10; ++j)
+      foo();
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute private(argc,b) firstprivate(argv,c) collapse(2)
+// CHECK-NEXT: for (int i = 0; i < 10; ++i)
+// CHECK-NEXT: for (int j = 0; j < 10; ++j)
+// CHECK-NEXT: foo();
+  for (int i = 0; i < 10; ++i)
+    foo();
+// CHECK: for (int i = 0; i < 10; ++i)
+// CHECK-NEXT: foo();
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i)foo();
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute
+// CHECK-NEXT: for (int i = 0; i < 10; ++i)
+// CHECK-NEXT: foo();
+#pragma omp target
+#pragma omp teams distribute default(none), private(b) firstprivate(argc) shared(d) reduction(+:c) reduction(max:e) num_teams(f) thread_limit(d)
+  for (int k = 0; k < 10; ++k)
+    e += d + argc;
+// CHECK: #pragma omp target
+// CHECK-NEXT: #pragma omp teams distribute default(none) private(b) firstprivate(argc) shared(d) reduction(+: c) reduction(max: e) num_teams(f) thread_limit(d)
+// CHECK-NEXT: for (int k = 0; k < 10; ++k)
+// CHECK-NEXT: e += d + argc;
+  return (0);
+}
+
+#endif
diff --git a/clang/test/OpenMP/teams_distribute_collapse_messages.cpp b/clang/test/OpenMP/teams_distribute_collapse_messages.cpp
new file mode 100644
index 00000000000..e21eab28c30
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_collapse_messages.cpp
@@ -0,0 +1,150 @@
+// RUN: %clang_cc1 -verify -fopenmp %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note {{declared here}}
+
+template <class T, typename S, int N, int ST> // expected-note {{declared here}}
+T tmain(T argc, S **argv) { //expected-note 2 {{declared here}}
+#pragma omp target
+#pragma omp teams distribute collapse // expected-error {{expected '(' after 'collapse'}}
+  for (int i = ST; i < N; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-ST];
+
+#pragma omp target
+#pragma omp teams distribute collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = ST; i < N; i++)
+
+    argv[0][i] = argv[0][i] - argv[0][i-ST];
+#pragma omp target
+#pragma omp teams distribute collapse () // expected-error {{expected expression}}
+  for (int i = ST; i < N; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-ST];
+
+// expected-error@+4 {{expected ')'}} expected-note@+4 {{to match this '('}}
+// expected-error@+3 2 {{expression is not an integral constant expression}}
+// expected-note@+2 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
+#pragma omp target
+#pragma omp teams distribute collapse (argc 
+  for (int i = ST; i < N; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-ST];
+
+// expected-error@+2 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
+#pragma omp target
+#pragma omp teams distribute collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = ST; i < N; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-ST];
+
+#pragma omp target
+#pragma omp teams distribute collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp teams distribute' are ignored}}
+  for (int i = ST; i < N; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-ST];
+
+#pragma omp target
+#pragma omp teams distribute collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}}
+  for (int i = ST; i < N; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-ST]; // expected-error 2 {{expected 2 for loops after '#pragma omp teams distribute', but found only 1}}
+
+// expected-error@+4 2 {{directive '#pragma omp teams distribute' cannot contain more than one 'collapse' clause}}
+// expected-error@+3 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
+// expected-error@+2 2 {{expression is not an integral constant expression}}
+#pragma omp target
+#pragma omp teams distribute collapse (foobool(argc)), collapse (true), collapse (-5)
+  for (int i = ST; i < N; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-ST];
+
+#pragma omp distribute collapse (S) // expected-error {{'S' does not refer to a value}}
+  for (int i = ST; i < N; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-ST];
+
+// expected-error@+2 2 {{expression is not an integral constant expression}}
+#pragma omp target
+#pragma omp teams distribute collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = ST; i < N; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-ST];
+
+#pragma omp target
+#pragma omp teams distribute collapse (1)
+  for (int i = ST; i < N; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-ST];
+
+#pragma omp target
+#pragma omp teams distribute collapse (N) // expected-error {{argument to 'collapse' clause must be a strictly positive integer value}}
+  for (T i = ST; i < N; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-ST];
+
+#pragma omp target
+#pragma omp teams distribute collapse (2) // expected-note {{as specified in 'collapse' clause}}
+  foo(); // expected-error {{expected 2 for loops after '#pragma omp teams distribute'}}
+  return argc;
+}
+
+int main(int argc, char **argv) {
+#pragma omp target
+#pragma omp teams distribute collapse // expected-error {{expected '(' after 'collapse'}}
+  for (int i = 4; i < 12; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-4];
+
+#pragma omp target
+#pragma omp teams distribute collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 4; i < 12; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-4];
+
+#pragma omp target
+#pragma omp teams distribute collapse () // expected-error {{expected expression}}
+  for (int i = 4; i < 12; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-4];
+
+#pragma omp target
+#pragma omp teams distribute collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'collapse' clause}}
+  for (int i = 4; i < 12; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-4]; // expected-error {{expected 4 for loops after '#pragma omp teams distribute', but found only 1}}
+
+#pragma omp target
+#pragma omp teams distribute collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp teams distribute' are ignored}}  expected-note {{as specified in 'collapse' clause}}
+  for (int i = 4; i < 12; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-4]; // expected-error {{expected 4 for loops after '#pragma omp teams distribute', but found only 1}}
+
+#pragma omp target
+#pragma omp teams distribute collapse (foobool(1) > 0 ? 1 : 2) // expected-error {{expression is not an integral constant expression}}
+  for (int i = 4; i < 12; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-4];
+
+// expected-error@+4 {{expression is not an integral constant expression}}
+// expected-error@+3 2 {{directive '#pragma omp teams distribute' cannot contain more than one 'collapse' clause}}
+// expected-error@+2 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
+#pragma omp target
+#pragma omp teams distribute collapse (foobool(argc)), collapse (true), collapse (-5) 
+  for (int i = 4; i < 12; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-4];
+
+#pragma omp target
+#pragma omp teams distribute collapse (S1) // expected-error {{'S1' does not refer to a value}}
+  for (int i = 4; i < 12; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-4];
+
+// expected-error@+2 {{expression is not an integral constant expression}}
+#pragma omp target
+#pragma omp teams distribute collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 4; i < 12; i++)
+    argv[0][i] = argv[0][i] - argv[0][i-4];
+
+// expected-error@+4 {{statement after '#pragma omp teams distribute' must be a for loop}}
+// expected-note@+2 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
+#pragma omp target
+#pragma omp teams distribute collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
+  foo();
+
+#pragma omp target
+#pragma omp teams distribute collapse (2) // expected-note {{as specified in 'collapse' clause}}
+  foo(); // expected-error {{expected 2 for loops after '#pragma omp teams distribute'}}
+
+// expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
+  return tmain<int, char, 1, 0>(argc, argv);
+}
+
diff --git a/clang/test/OpenMP/teams_distribute_default_messages.cpp b/clang/test/OpenMP/teams_distribute_default_messages.cpp
new file mode 100644
index 00000000000..bf62930825d
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_default_messages.cpp
@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 -verify -fopenmp %s
+
+void foo();
+
+int main(int argc, char **argv) {
+  #pragma omp target
+  #pragma omp teams distribute default // expected-error {{expected '(' after 'default'}}
+  for (int i=0; i<200; i++) foo();
+  #pragma omp target
+  #pragma omp teams distribute default ( // expected-error {{expected 'none' or 'shared' in OpenMP clause 'default'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i=0; i<200; i++) foo();
+  #pragma omp target
+  #pragma omp teams distribute default () // expected-error {{expected 'none' or 'shared' in OpenMP clause 'default'}}
+  for (int i=0; i<200; i++) foo();
+  #pragma omp target
+  #pragma omp teams distribute default (none // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i=0; i<200; i++) foo();
+  #pragma omp target
+  #pragma omp teams distribute default (shared), default(shared) // expected-error {{directive '#pragma omp teams distribute' cannot contain more than one 'default' clause}}
+  for (int i=0; i<200; i++) foo();
+  #pragma omp target
+  #pragma omp teams distribute default (x) // expected-error {{expected 'none' or 'shared' in OpenMP clause 'default'}}
+  for (int i=0; i<200; i++) foo();
+
+  #pragma omp target
+  #pragma omp teams distribute default(none)
+  for (int i=0; i<200; i++) ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
+
+  return 0;
+}
diff --git a/clang/test/OpenMP/teams_distribute_dist_schedule_messages.cpp b/clang/test/OpenMP/teams_distribute_dist_schedule_messages.cpp
new file mode 100644
index 00000000000..d86722dd277
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_dist_schedule_messages.cpp
@@ -0,0 +1,104 @@
+// RUN: %clang_cc1 -verify -fopenmp %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note {{declared here}} expected-note {{declared here}}
+
+template <class T, int N>
+T tmain(T argc) {
+  T b = argc, c, d, e, f, g;
+  char ** argv;
+  static T a;
+// CHECK: static T a;
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule // expected-error {{expected '(' after 'dist_schedule'}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule ( // expected-error {{expected 'static' in OpenMP clause 'dist_schedule'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule () // expected-error {{expected 'static' in OpenMP clause 'dist_schedule'}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule (static // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule (static, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule (argc)) // expected-error {{expected 'static' in OpenMP clause 'dist_schedule'}} expected-warning {{extra tokens at the end of '#pragma omp teams distribute' are ignored}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule (static, argc > 0 ? argv[1] : argv[2]) // expected-error2 {{expression must have integral or unscoped enumeration type, not 'char *'}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule (static), dist_schedule (static, 1) // expected-error {{directive '#pragma omp teams distribute' cannot contain more than one 'dist_schedule' clause}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule (static, S1) // expected-error {{'S1' does not refer to a value}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule (static, argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error3 {{expression must have integral or unscoped enumeration type, not 'char *'}}
+  for (int i = 0; i < 10; ++i) foo();
+
+  return T();
+}
+
+int main(int argc, char **argv) {
+#pragma omp target
+#pragma omp teams distribute dist_schedule // expected-error {{expected '(' after 'dist_schedule'}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule ( // expected-error {{expected 'static' in OpenMP clause 'dist_schedule'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule () // expected-error {{expected 'static' in OpenMP clause 'dist_schedule'}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule (static // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule (static, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule (argc)) // expected-error {{expected 'static' in OpenMP clause 'dist_schedule'}} expected-warning {{extra tokens at the end of '#pragma omp teams distribute' are ignored}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule (static, argc > 0 ? argv[1] : argv[2]) // expected-error {{expression must have integral or unscoped enumeration type, not 'char *'}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule (static), dist_schedule (static, 1) // expected-error {{directive '#pragma omp teams distribute' cannot contain more than one 'dist_schedule' clause}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule (static, S1) // expected-error {{'S1' does not refer to a value}}
+  for (int i = 0; i < 10; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute dist_schedule (static, argv[1]=2) // expected-error {{expression must have integral or unscoped enumeration type, not 'char *'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i = 0; i < 10; ++i) foo();
+
+  return (tmain<int, 5>(argc) + tmain<char, 1>(argv[0][0])); // expected-note {{in instantiation of function template specialization 'tmain<int, 5>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<char, 1>' requested here}}
+}
diff --git a/clang/test/OpenMP/teams_distribute_firstprivate_messages.cpp b/clang/test/OpenMP/teams_distribute_firstprivate_messages.cpp
new file mode 100644
index 00000000000..a7108077433
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_firstprivate_messages.cpp
@@ -0,0 +1,152 @@
+// RUN: %clang_cc1 -verify -fopenmp %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note {{declared here}} expected-note{{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+  mutable int a;
+  
+public:
+  S2() : a(0) {}
+  S2(const S2 &s2) : a(s2.a) {}
+  static float S2s;
+  static const float S2sc;
+};
+const float S2::S2sc = 0;
+const S2 b;
+const S2 ba[5];
+class S3 {
+  int a;
+  S3 &operator=(const S3 &s3);
+  
+public:
+  S3() : a(0) {} // expected-note {{candidate constructor not viable: requires 0 arguments, but 1 was provided}}
+  S3(S3 &s3) : a(s3.a) {} // expected-note {{candidate constructor not viable: 1st argument ('const S3') would lose const qualifier}}
+};
+const S3 c;
+const S3 ca[5];
+extern const int f;
+class S4 {
+  int a;
+  S4();
+  S4(const S4 &s4);
+public:
+  S4(int v):a(v) { }
+};
+class S5 {
+  int a;
+  S5():a(0) {}
+  S5(const S5 &s5):a(s5.a) { }
+public:
+  S5(int v):a(v) { }
+};
+class S6 {
+  int a;
+public:
+  S6() : a(0) { }
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note {{defined as threadprivate or thread local}}
+
+int main(int argc, char **argv) {
+  const int d = 5;
+  const int da[5] = { 0 };
+  S4 e(4);
+  S5 g(5);
+  S6 p;
+  int i;
+  int &j = i;
+
+#pragma omp target
+#pragma omp teams distribute firstprivate // expected-error {{expected '(' after 'firstprivate'}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate () // expected-error {{expected expression}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate (argc)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate (S1) // expected-error {{'S1' does not refer to a value}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate (a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate (argv[1]) // expected-error {{expected variable name}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate(ba)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate(ca) // expected-error {{no matching constructor for initialization of 'S3'}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate(da)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate(S2::S2s)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate(S2::S2sc)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute private(i), firstprivate(i) // expected-error {{private variable cannot be firstprivate}} expected-note{{defined as private}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate(i)
+  for (j = 0; j < argc; ++j) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate(i) // expected-note {{defined as firstprivate}}
+  for (i = 0; i < argc; ++i) foo(); // expected-error {{loop iteration variable in the associated loop of 'omp teams distribute' directive may not be firstprivate, predetermined as private}}
+
+#pragma omp target
+#pragma omp teams distribute firstprivate(j)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(argc), firstprivate(argc) // OK
+  for (i = 0; i < argc; ++i) foo();
+
+  return 0;
+}
diff --git a/clang/test/OpenMP/teams_distribute_lastprivate_messages.cpp b/clang/test/OpenMP/teams_distribute_lastprivate_messages.cpp
new file mode 100644
index 00000000000..b892141d501
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_lastprivate_messages.cpp
@@ -0,0 +1,272 @@
+// RUN: %clang_cc1 -verify -fopenmp %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+  mutable int a;
+
+public:
+  S2() : a(0) {}
+  S2(S2 &s2) : a(s2.a) {}
+  const S2 &operator =(const S2&) const;
+  S2 &operator =(const S2&);
+  static float S2s; // expected-note {{static data member is predetermined as shared}}
+  static const float S2sc;
+};
+const float S2::S2sc = 0; // expected-note {{static data member is predetermined as shared}}
+const S2 b;
+const S2 ba[5];
+class S3 {
+  int a;
+  S3 &operator=(const S3 &s3); // expected-note 2 {{implicitly declared private here}}
+
+public:
+  S3() : a(0) {}
+  S3(S3 &s3) : a(s3.a) {}
+};
+const S3 c;         // expected-note {{global variable is predetermined as shared}}
+const S3 ca[5];     // expected-note {{global variable is predetermined as shared}}
+extern const int f; // expected-note {{global variable is predetermined as shared}}
+class S4 {
+  int a;
+  S4();             // expected-note 3 {{implicitly declared private here}}
+  S4(const S4 &s4);
+
+public:
+  S4(int v) : a(v) {}
+};
+class S5 {
+  int a;
+  S5() : a(0) {} // expected-note {{implicitly declared private here}}
+
+public:
+  S5(const S5 &s5) : a(s5.a) {}
+  S5(int v) : a(v) {}
+};
+class S6 {
+  int a;
+  S6() : a(0) {}
+
+public:
+  S6(const S6 &s6) : a(s6.a) {}
+  S6(int v) : a(v) {}
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
+
+template <class I, class C>
+int foomain(int argc, char **argv) {
+  I e(4);
+  I g(5);
+  int i;
+  int &j = i;
+#pragma omp target
+#pragma omp teams distribute lastprivate // expected-error {{expected '(' after 'lastprivate'}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+#pragma omp target
+#pragma omp teams distribute lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+#pragma omp target
+#pragma omp teams distribute lastprivate() // expected-error {{expected expression}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(argc)
+  for (int k = 0; k < argc; ++k) ++k;
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(argv[1]) // expected-error {{expected variable name}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(e, g) // expected-error 2 {{calling a private constructor of class 'S4'}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(h) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  int v = 0;
+#pragma omp target
+#pragma omp teams distribute lastprivate(i)
+  for (int k = 0; k < argc; ++k) {
+    i = k;
+    v += i;
+  }
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(j) private(i)
+  for (int k = 0; k < argc; ++k) ++k;
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(i)
+  for (int k = 0; k < argc; ++k) ++k;
+
+  return 0;
+}
+
+void bar(S4 a[2]) {
+#pragma omp target
+#pragma omp teams distribute lastprivate(a)
+  for (int i = 0; i < 2; ++i) foo();
+}
+
+namespace A {
+double x;
+#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
+}
+namespace B {
+using A::x;
+}
+
+int main(int argc, char **argv) {
+  const int d = 5;       // expected-note {{constant variable is predetermined as shared}}
+  const int da[5] = {0}; // expected-note {{constant variable is predetermined as shared}}
+  S4 e(4);
+  S5 g(5);
+  S3 m;
+  S6 n(2);
+  int i;
+  int &j = i;
+#pragma omp target
+#pragma omp teams distribute lastprivate // expected-error {{expected '(' after 'lastprivate'}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate() // expected-error {{expected expression}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(argc)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(a, b, c, d, f) // expected-error {{lastprivate variable with incomplete type 'S1'}} expected-error 3 {{shared variable cannot be lastprivate}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(argv[1]) // expected-error {{expected variable name}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(2 * 2) // expected-error {{expected variable name}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(ba)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(ca) // expected-error {{shared variable cannot be lastprivate}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(da) // expected-error {{shared variable cannot be lastprivate}}
+  for (i = 0; i < argc; ++i) foo();
+
+  int xa;
+#pragma omp target
+#pragma omp teams distribute lastprivate(xa) // OK
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(S2::S2s) // expected-error {{shared variable cannot be lastprivate}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(S2::S2sc) // expected-error {{shared variable cannot be lastprivate}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(m) // expected-error {{'operator=' is a private member of 'S3'}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(h) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(B::x) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute private(xa), lastprivate(xa) // expected-error {{private variable cannot be lastprivate}} expected-note {{defined as private}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(xa)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(j)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute firstprivate(m) lastprivate(m) // expected-error {{'operator=' is a private member of 'S3'}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(n) firstprivate(n) // OK
+  for (i = 0; i < argc; ++i) foo();
+
+  static int si;
+#pragma omp target
+#pragma omp teams distribute  lastprivate(si) // OK
+  for (i = 0; i < argc; ++i) si = i + 1;
+
+  return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
+}
diff --git a/clang/test/OpenMP/teams_distribute_loop_messages.cpp b/clang/test/OpenMP/teams_distribute_loop_messages.cpp
new file mode 100644
index 00000000000..dbfd9ef03cd
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_loop_messages.cpp
@@ -0,0 +1,716 @@
+// RUN: %clang_cc1 -fsyntax-only -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify %s
+
+class S {
+  int a;
+  S() : a(0) {}
+
+public:
+  S(int v) : a(v) {}
+  S(const S &s) : a(s.a) {}
+};
+
+static int sii;
+// expected-note@+1 {{defined as threadprivate or thread local}}
+#pragma omp threadprivate(sii)
+static int globalii;
+
+int test_iteration_spaces() {
+  const int N = 100;
+  float a[N], b[N], c[N];
+  int ii, jj, kk;
+  float fii;
+  double dii;
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; i += 1) {
+    c[i] = a[i] + b[i];
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (char i = 0; i < 10; i++) {
+    c[i] = a[i] + b[i];
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (char i = 0; i < 10; i += '\1') {
+    c[i] = a[i] + b[i];
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (long long i = 0; i < 10; i++) {
+    c[i] = a[i] + b[i];
+  }
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{expression must have integral or unscoped enumeration type, not 'double'}}
+  for (long long i = 0; i < 10; i += 1.5) {
+    c[i] = a[i] + b[i];
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (long long i = 0; i < 'z'; i += 1u) {
+    c[i] = a[i] + b[i];
+  }
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{variable must be of integer or random access iterator type}}
+  for (float fi = 0; fi < 10.0; fi++) {
+    c[(int)fi] = a[(int)fi] + b[(int)fi];
+  }
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{variable must be of integer or random access iterator type}}
+  for (double fi = 0; fi < 10.0; fi++) {
+    c[(int)fi] = a[(int)fi] + b[(int)fi];
+  }
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (int &ref = ii; ref < 10; ref++) {
+  }
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (int i; i < 10; i++)
+    c[i] = a[i];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (int i = 0, j = 0; i < 10; ++i)
+    c[i] = a[i];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (; ii < 10; ++ii)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-warning@+2 {{expression result unused}}
+// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (ii + 1; ii < 10; ++ii)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (c[ii] = 0; ii < 10; ++ii)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// Ok to skip parenthesises.
+  for (((ii)) = 0; ii < 10; ++ii)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+  for (int i = 0; i; i++)
+    c[i] = a[i];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}}
+  for (int i = 0; jj < kk; ii++)
+    c[i] = a[i];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+  for (int i = 0; !!i; i++)
+    c[i] = a[i];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+  for (int i = 0; i != 1; i++)
+    c[i] = a[i];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+  for (int i = 0;; i++)
+    c[i] = a[i];
+
+// Ok.
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 11; i > 10; i--)
+    c[i] = a[i];
+
+// Ok.
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i)
+    c[i] = a[i];
+
+// Ok.
+#pragma omp target
+#pragma omp teams distribute
+  for (ii = 0; ii < 10; ++ii)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+  for (ii = 0; ii < 10; ++jj)
+    c[ii] = a[jj];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+  for (ii = 0; ii < 10; ++++ii)
+    c[ii] = a[ii];
+
+// Ok but undefined behavior (in general, cannot check that incr
+// is really loop-invariant).
+#pragma omp target
+#pragma omp teams distribute
+  for (ii = 0; ii < 10; ii = ii + ii)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{expression must have integral or unscoped enumeration type, not 'float'}}
+  for (ii = 0; ii < 10; ii = ii + 1.0f)
+    c[ii] = a[ii];
+
+// Ok - step was converted to integer type.
+#pragma omp target
+#pragma omp teams distribute
+  for (ii = 0; ii < 10; ii = ii + (int)1.1f)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+  for (ii = 0; ii < 10; jj = ii + 2)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-warning@+2 {{relational comparison result unused}}
+// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+  for (ii = 0; ii<10; jj> kk + 2)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+  for (ii = 0; ii < 10;)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-warning@+2 {{expression result unused}}
+// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+  for (ii = 0; ii < 10; !ii)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+  for (ii = 0; ii < 10; ii ? ++ii : ++jj)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+  for (ii = 0; ii < 10; ii = ii < 10)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be positive due to this condition}}
+// expected-error@+1 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+  for (ii = 0; ii < 10; ii = ii + 0)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be positive due to this condition}}
+// expected-error@+1 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+  for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45))
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be positive due to this condition}}
+// expected-error@+1 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+  for (ii = 0; (ii) < 10; ii -= 25)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be positive due to this condition}}
+// expected-error@+1 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+  for (ii = 0; (ii < 10); ii -= 0)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be negative due to this condition}}
+// expected-error@+1 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}
+  for (ii = 0; ii > 10; (ii += 0))
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be positive due to this condition}}
+// expected-error@+1 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+  for (ii = 0; ii < 10; (ii) = (1 - 1) + (ii))
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be negative due to this condition}}
+// expected-error@+1 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}
+  for ((ii = 0); ii > 10; (ii -= 0))
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be positive due to this condition}}
+// expected-error@+1 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+  for (ii = 0; (ii < 10); (ii -= 0))
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute firstprivate(ii) // expected-note  {{defined as firstprivate}}
+// expected-error@+1 {{loop iteration variable in the associated loop of 'omp teams distribute' directive may not be firstprivate, predetermined as private}}
+  for (ii = 0; ii < 10; ii++)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute private(ii)
+// OK
+  for (ii = 0; ii < 10; ii++)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute lastprivate(ii)
+// OK
+  for (ii = 0; ii < 10; ii++)
+    c[ii] = a[ii];
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{loop iteration variable in the associated loop of 'omp teams distribute' directive may not be threadprivate or thread local, predetermined as private}}
+  for (sii = 0; sii < 10; sii++)
+    c[sii] = a[sii];
+
+  {
+#pragma omp target
+#pragma omp teams distribute collapse(2)
+  for (ii = 0; ii < 10; ii += 1)
+    for (globalii = 0; globalii < 10; globalii += 1)
+      c[globalii] += a[globalii] + ii;
+  }
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{statement after '#pragma omp teams distribute' must be a for loop}}
+  for (auto &item : a) {
+    item = item + 1;
+  }
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be positive due to this condition}}
+// expected-error@+1 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}}
+  for (unsigned i = 9; i < 10; i--) {
+    c[i] = a[i] + b[i];
+  }
+
+  int(*lb)[4] = nullptr;
+#pragma omp target
+#pragma omp teams distribute
+  for (int(*p)[4] = lb; p < lb + 8; ++p) {
+  }
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (int a{0}; a < 10; ++a) {
+  }
+
+  return 0;
+}
+
+// Iterators allowed in openmp for-loops.
+namespace std {
+struct random_access_iterator_tag {};
+template <class Iter>
+struct iterator_traits {
+  typedef typename Iter::difference_type difference_type;
+  typedef typename Iter::iterator_category iterator_category;
+};
+template <class Iter>
+typename iterator_traits<Iter>::difference_type
+distance(Iter first, Iter last) { return first - last; }
+}
+class Iter0 {
+public:
+  Iter0() {}
+  Iter0(const Iter0 &) {}
+  Iter0 operator++() { return *this; }
+  Iter0 operator--() { return *this; }
+  bool operator<(Iter0 a) { return true; }
+};
+// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'Iter0' for 1st argument}}
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'Iter0' for 1st argument}}
+int operator-(Iter0 a, Iter0 b) { return 0; }
+class Iter1 {
+public:
+  Iter1(float f = 0.0f, double d = 0.0) {}
+  Iter1(const Iter1 &) {}
+  Iter1 operator++() { return *this; }
+  Iter1 operator--() { return *this; }
+  bool operator<(Iter1 a) { return true; }
+  bool operator>=(Iter1 a) { return false; }
+};
+class GoodIter {
+public:
+  GoodIter() {}
+  GoodIter(const GoodIter &) {}
+  GoodIter(int fst, int snd) {}
+  GoodIter &operator=(const GoodIter &that) { return *this; }
+  GoodIter &operator=(const Iter0 &that) { return *this; }
+  GoodIter &operator+=(int x) { return *this; }
+  explicit GoodIter(void *) {}
+  GoodIter operator++() { return *this; }
+  GoodIter operator--() { return *this; }
+  bool operator!() { return true; }
+  bool operator<(GoodIter a) { return true; }
+  bool operator<=(GoodIter a) { return true; }
+  bool operator>=(GoodIter a) { return false; }
+  typedef int difference_type;
+  typedef std::random_access_iterator_tag iterator_category;
+};
+// expected-note@+2 {{candidate function not viable: no known conversion from 'const Iter0' to 'GoodIter' for 2nd argument}}
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}
+int operator-(GoodIter a, GoodIter b) { return 0; }
+// expected-note@+1 3 {{candidate function not viable: requires single argument 'a', but 2 arguments were provided}}
+GoodIter operator-(GoodIter a) { return a; }
+// expected-note@+2 {{candidate function not viable: no known conversion from 'const Iter0' to 'int' for 2nd argument}}
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}
+GoodIter operator-(GoodIter a, int v) { return GoodIter(); }
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'GoodIter' for 1st argument}}
+GoodIter operator+(GoodIter a, int v) { return GoodIter(); }
+// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'int' for 1st argument}}
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'int' for 1st argument}}
+GoodIter operator-(int v, GoodIter a) { return GoodIter(); }
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'int' for 1st argument}}
+GoodIter operator+(int v, GoodIter a) { return GoodIter(); }
+
+int test_with_random_access_iterator() {
+  GoodIter begin, end;
+  Iter0 begin0, end0;
+#pragma omp target
+#pragma omp teams distribute
+  for (GoodIter I = begin; I < end; ++I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (GoodIter &I = begin; I < end; ++I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+  for (GoodIter I = begin; I >= end; --I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (GoodIter I(begin); I < end; ++I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (GoodIter I(nullptr); I < end; ++I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (GoodIter I(0); I < end; ++I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (GoodIter I(1, 2); I < end; ++I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+  for (begin = GoodIter(0); begin < end; ++begin)
+    ++begin;
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+2 {{invalid operands to binary expression ('GoodIter' and 'const Iter0')}}
+// expected-error@+1 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}
+  for (begin = begin0; begin < end; ++begin)
+    ++begin;
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (++begin; begin < end; ++begin)
+    ++begin;
+#pragma omp target
+#pragma omp teams distribute
+  for (begin = end; begin < end; ++begin)
+    ++begin;
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
+  for (GoodIter I = begin; I - I; ++I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
+  for (GoodIter I = begin; begin < end; ++I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
+  for (GoodIter I = begin; !I; ++I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be negative due to this condition}}
+// expected-error@+1 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+  for (GoodIter I = begin; I >= end; I = I + 1)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+  for (GoodIter I = begin; I >= end; I = I - 1)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}
+  for (GoodIter I = begin; I >= end; I = -I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be negative due to this condition}}
+// expected-error@+1 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+  for (GoodIter I = begin; I >= end; I = 2 + I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}
+  for (GoodIter I = begin; I >= end; I = 2 - I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+1 {{invalid operands to binary expression ('Iter0' and 'int')}}
+  for (Iter0 I = begin0; I < end0; ++I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// Initializer is constructor without params.
+// expected-error@+2 {{invalid operands to binary expression ('Iter0' and 'int')}}
+// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (Iter0 I; I < end0; ++I)
+    ++I;
+  Iter1 begin1, end1;
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+2 {{invalid operands to binary expression ('Iter1' and 'Iter1')}}
+// expected-error@+1 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}
+  for (Iter1 I = begin1; I < end1; ++I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be negative due to this condition}}
+// expected-error@+1 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+  for (Iter1 I = begin1; I >= end1; ++I)
+    ++I;
+#pragma omp target
+#pragma omp teams distribute
+// expected-error@+4 {{invalid operands to binary expression ('Iter1' and 'float')}}
+// expected-error@+3 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}
+// Initializer is constructor with all default params.
+// expected-warning@+1 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+  for (Iter1 I; I < end1; ++I) {
+  }
+  return 0;
+}
+
+template <typename IT, int ST>
+class TC {
+public:
+  int dotest_lt(IT begin, IT end) {
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be positive due to this condition}}
+// expected-error@+1 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}
+    for (IT I = begin; I < end; I = I + ST) {
+      ++I;
+    }
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be positive due to this condition}}
+// expected-error@+1 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}
+    for (IT I = begin; I <= end; I += ST) {
+      ++I;
+    }
+#pragma omp target
+#pragma omp teams distribute
+    for (IT I = begin; I < end; ++I) {
+      ++I;
+    }
+  }
+
+  static IT step() {
+    return IT(ST);
+  }
+};
+template <typename IT, int ST = 0>
+int dotest_gt(IT begin, IT end) {
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 2 {{loop step is expected to be negative due to this condition}}
+// expected-error@+1 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+  for (IT I = begin; I >= end; I = I + ST) {
+    ++I;
+  }
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 2 {{loop step is expected to be negative due to this condition}}
+// expected-error@+1 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+  for (IT I = begin; I >= end; I += ST) {
+    ++I;
+  }
+
+#pragma omp target
+#pragma omp teams distribute
+// expected-note@+2 {{loop step is expected to be negative due to this condition}}
+// expected-error@+1 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+  for (IT I = begin; I >= end; ++I) {
+    ++I;
+  }
+
+#pragma omp target
+#pragma omp teams distribute
+  for (IT I = begin; I < end; I += TC<int, ST>::step()) {
+    ++I;
+  }
+}
+
+void test_with_template() {
+  GoodIter begin, end;
+  TC<GoodIter, 100> t1;
+  TC<GoodIter, -100> t2;
+  t1.dotest_lt(begin, end);
+  t2.dotest_lt(begin, end);         // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}}
+  dotest_gt(begin, end);            // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}}
+  dotest_gt<unsigned, -10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, -10>' requested here}}
+}
+
+void test_loop_break() {
+  const int N = 100;
+  float a[N], b[N], c[N];
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; i++) {
+    c[i] = a[i] + b[i];
+    for (int j = 0; j < 10; ++j) {
+      if (a[i] > b[j])
+        break; // OK in nested loop
+    }
+    switch (i) {
+    case 1:
+      b[i]++;
+      break;
+    default:
+      break;
+    }
+    if (c[i] > 10)
+      break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
+
+    if (c[i] > 11)
+      break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
+  }
+
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; i++) {
+    for (int j = 0; j < 10; j++) {
+      c[i] = a[i] + b[i];
+      if (c[i] > 10) {
+        if (c[i] < 20) {
+          break; // OK
+        }
+      }
+    }
+  }
+}
+
+void test_loop_eh() {
+  const int N = 100;
+  float a[N], b[N], c[N];
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; i++) {
+    c[i] = a[i] + b[i];
+    try { // OK
+      for (int j = 0; j < 10; ++j) {
+        if (a[i] > b[j])
+          throw a[i]; // OK
+      }
+      throw a[i]; // OK
+    } catch (float f) {
+      if (f > 0.1)
+        throw a[i]; // OK
+      return; // expected-error {{cannot return from OpenMP region}}
+    }
+    switch (i) {
+    case 1:
+      b[i]++;
+      break;
+    default:
+      break;
+    }
+    for (int j = 0; j < 10; j++) {
+      if (c[i] > 10)
+        throw c[i]; // OK
+    }
+  }
+  if (c[9] > 10)
+    throw c[9]; // OK
+
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+    struct S {
+      void g() { throw 0; }
+    };
+  }
+}
+
+void test_loop_firstprivate_lastprivate() {
+  S s(4);
+#pragma omp target
+#pragma omp teams distribute lastprivate(s) firstprivate(s)
+  for (int i = 0; i < 16; ++i)
+    ;
+}
+
+void test_ordered() {
+#pragma omp target
+#pragma omp teams distribute ordered // expected-error {{unexpected OpenMP clause 'ordered' in directive '#pragma omp teams distribute'}}
+  for (int i = 0; i < 16; ++i)
+    ;
+}
+
+void test_nowait() {
+#pragma omp target
+// expected-error@+1 2 {{unexpected OpenMP clause 'nowait' in directive '#pragma omp teams distribute'}}
+#pragma omp teams distribute nowait nowait // expected-error {{directive '#pragma omp teams distribute' cannot contain more than one 'nowait' clause}}
+  for (int i = 0; i < 16; ++i)
+    ;
+}
+
diff --git a/clang/test/OpenMP/teams_distribute_num_teams_messages.cpp b/clang/test/OpenMP/teams_distribute_num_teams_messages.cpp
new file mode 100644
index 00000000000..6086abd9200
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_num_teams_messages.cpp
@@ -0,0 +1,111 @@
+// RUN: %clang_cc1 -verify -fopenmp -std=c++11 -ferror-limit 100 -o - %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note 2 {{declared here}}
+
+template <typename T, int C> // expected-note {{declared here}}
+T tmain(T argc) {
+  char **a;
+#pragma omp target
+#pragma omp teams distribute num_teams(C)
+  for (int i=0; i<100; i++) foo();
+#pragma omp target
+#pragma omp teams distribute num_teams(T) // expected-error {{'T' does not refer to a value}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target
+#pragma omp teams distribute num_teams // expected-error {{expected '(' after 'num_teams'}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target
+#pragma omp teams distribute num_teams( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target
+#pragma omp teams distribute num_teams() // expected-error {{expected expression}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target
+#pragma omp teams distribute num_teams(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target
+#pragma omp teams distribute num_teams(argc)) // expected-warning {{extra tokens at the end of '#pragma omp teams distribute' are ignored}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target
+#pragma omp teams distribute num_teams(argc > 0 ? a[1] : a[2]) // expected-error {{expression must have integral or unscoped enumeration type, not 'char *'}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target
+#pragma omp teams distribute num_teams(argc + argc)
+  for (int i=0; i<100; i++) foo();
+#pragma omp target
+#pragma omp teams distribute num_teams(argc), num_teams (argc+1) // expected-error {{directive '#pragma omp teams distribute' cannot contain more than one 'num_teams' clause}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target
+#pragma omp teams distribute num_teams(S1) // expected-error {{'S1' does not refer to a value}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target
+#pragma omp teams distribute num_teams(-2) // expected-error {{argument to 'num_teams' clause must be a strictly positive integer value}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target
+#pragma omp teams distribute num_teams(-10u)
+  for (int i=0; i<100; i++) foo();
+#pragma omp target
+#pragma omp teams distribute num_teams(3.14) // expected-error 2 {{expression must have integral or unscoped enumeration type, not 'double'}}
+  for (int i=0; i<100; i++) foo();
+
+  return 0;
+}
+
+int main(int argc, char **argv) {
+#pragma omp target
+#pragma omp teams distribute num_teams // expected-error {{expected '(' after 'num_teams'}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target
+#pragma omp teams distribute num_teams ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target
+#pragma omp teams distribute num_teams () // expected-error {{expected expression}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target
+#pragma omp teams distribute num_teams (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target
+#pragma omp teams distribute num_teams (argc)) // expected-warning {{extra tokens at the end of '#pragma omp teams distribute' are ignored}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target
+#pragma omp teams distribute num_teams (argc > 0 ? argv[1] : argv[2]) // expected-error {{expression must have integral or unscoped enumeration type, not 'char *'}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target
+#pragma omp teams distribute num_teams (argc + argc)
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target
+#pragma omp teams distribute num_teams (argc), num_teams (argc+1) // expected-error {{directive '#pragma omp teams distribute' cannot contain more than one 'num_teams' clause}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target
+#pragma omp teams distribute num_teams (S1) // expected-error {{'S1' does not refer to a value}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target
+#pragma omp teams distribute num_teams (-2) // expected-error {{argument to 'num_teams' clause must be a strictly positive integer value}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target
+#pragma omp teams distribute num_teams (-10u)
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target
+#pragma omp teams distribute num_teams (3.14) // expected-error {{expression must have integral or unscoped enumeration type, not 'double'}}
+  for (int i=0; i<100; i++) foo();
+
+  return tmain<int, 10>(argc); // expected-note {{in instantiation of function template specialization 'tmain<int, 10>' requested here}}
+}
diff --git a/clang/test/OpenMP/teams_distribute_private_messages.cpp b/clang/test/OpenMP/teams_distribute_private_messages.cpp
new file mode 100644
index 00000000000..aff1f539894
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_private_messages.cpp
@@ -0,0 +1,146 @@
+// RUN: %clang_cc1 -verify -fopenmp %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note {{declared here}} expected-note {{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+  mutable int a;
+public:
+  S2():a(0) { }
+  static float S2s; // expected-note {{predetermined as shared}}
+};
+const S2 b;
+const S2 ba[5];
+class S3 {
+  int a;
+public:
+  S3():a(0) { }
+};
+const S3 c; // expected-note {{predetermined as shared}}
+const S3 ca[5]; // expected-note {{predetermined as shared}}
+extern const int f;  // expected-note {{predetermined as shared}}
+class S4 {
+  int a;
+  S4(); // expected-note {{implicitly declared private here}}
+public:
+  S4(int v):a(v) { }
+};
+class S5 { 
+  int a;
+  S5():a(0) {} // expected-note {{implicitly declared private here}}
+public:
+  S5(int v):a(v) { }
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note {{defined as threadprivate or thread local}}
+
+
+int main(int argc, char **argv) {
+  const int d = 5;  // expected-note {{predetermined as shared}}
+  const int da[5] = { 0 }; // expected-note {{predetermined as shared}}
+  S4 e(4);
+  S5 g(5);
+  int i;
+  int &j = i;
+
+  #pragma omp target
+  #pragma omp teams distribute private // expected-error {{expected '(' after 'private'}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private () // expected-error {{expected expression}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private (argc)
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private (S1) // expected-error {{'S1' does not refer to a value}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private (a, b, c, d, f) // expected-error {{private variable with incomplete type 'S1'}} expected-error 3 {{shared variable cannot be private}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private (argv[1]) // expected-error {{expected variable name}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private(ba)
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private(ca) // expected-error {{shared variable cannot be private}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private(da) // expected-error {{shared variable cannot be private}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private(S2::S2s) // expected-error {{shared variable cannot be private}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute shared(i)
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute firstprivate(i), private(i) // expected-error {{firstprivate variable cannot be private}} expected-note {{defined as firstprivate}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute private(j)
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute reduction(+:i)
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp distribute private(i)
+  for (int k = 0; k < 10; ++k) {
+    #pragma omp target
+    #pragma omp teams distribute private(i)
+    for (int x = 0; x < 10; ++x) foo();
+  }
+
+  #pragma omp target
+  #pragma omp teams distribute firstprivate(i)
+  for (int k = 0; k < 10; ++k) {
+  }
+
+  return 0;
+}
diff --git a/clang/test/OpenMP/teams_distribute_reduction_messages.cpp b/clang/test/OpenMP/teams_distribute_reduction_messages.cpp
new file mode 100644
index 00000000000..63023c28449
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_reduction_messages.cpp
@@ -0,0 +1,303 @@
+// RUN: %clang_cc1 -verify -fopenmp %s
+// RUN: %clang_cc1 -verify -fopenmp -std=c++98 %s
+// RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+  mutable int a;
+  S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
+
+public:
+  S2() : a(0) {}
+  S2(S2 &s2) : a(s2.a) {}
+  static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
+  static const float S2sc;
+};
+const float S2::S2sc = 0; // expected-note 2 {{'S2sc' defined here}}
+S2 b;                     // expected-note 3 {{'b' defined here}}
+const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
+class S3 {
+  int a;
+
+public:
+  int b;
+  S3() : a(0) {}
+  S3(const S3 &s3) : a(s3.a) {}
+  S3 operator+(const S3 &arg1) { return arg1; }
+};
+int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
+S3 c;               // expected-note 3 {{'c' defined here}}
+const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
+extern const int f; // expected-note 4 {{'f' declared here}}
+class S4 {
+  int a;
+  S4(); // expected-note {{implicitly declared private here}}
+  S4(const S4 &s4);
+  S4 &operator+(const S4 &arg) { return (*this); }
+
+public:
+  S4(int v) : a(v) {}
+};
+S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
+class S5 {
+  int a;
+  S5() : a(0) {} // expected-note {{implicitly declared private here}}
+  S5(const S5 &s5) : a(s5.a) {}
+  S5 &operator+(const S5 &arg);
+
+public:
+  S5(int v) : a(v) {}
+};
+class S6 { // expected-note 3 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}}
+#if __cplusplus >= 201103L // C++11 or later
+// expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
+#endif
+  int a;
+
+public:
+  S6() : a(6) {}
+  operator int() { return 6; }
+} o;
+
+S3 h, k;
+#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
+
+template <class T>       // expected-note {{declared here}}
+T tmain(T argc) {
+  const T d = T();       // expected-note 4 {{'d' defined here}}
+  const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
+  T qa[5] = {T()};
+  T i;
+  T &j = i;                    // expected-note 4 {{'j' defined here}}
+  S3 &p = k;                   // expected-note 2 {{'p' defined here}}
+  const T &r = da[(int)i];     // expected-note 2 {{'r' defined here}}
+  T &q = qa[(int)i];           // expected-note 2 {{'q' defined here}}
+  T fl;
+#pragma omp target
+#pragma omp teams distribute reduction // expected-error {{expected '(' after 'reduction'}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp teams distribute' are ignored}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(foo : argc) //expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(&& : argc)
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(^ : T) // expected-error {{'T' does not refer to a value}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified list item cannot be reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified list item cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}} expected-error {{const-qualified list item cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp parallel private(k)
+#pragma omp target
+#pragma omp teams distribute reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(+ : r) // expected-error 2 {{const-qualified list item cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp parallel shared(i)
+#pragma omp parallel reduction(min : i)
+#pragma omp target
+#pragma omp teams distribute reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(+ : fl)
+    for (int j=0; j<100; j++) foo();
+
+  return T();
+}
+
+namespace A {
+double x;
+#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
+}
+namespace B {
+using A::x;
+}
+
+int main(int argc, char **argv) {
+  const int d = 5;       // expected-note 2 {{'d' defined here}}
+  const int da[5] = {0}; // expected-note {{'da' defined here}}
+  int qa[5] = {0};
+  S4 e(4);
+  S5 g(5);
+  int i;
+  int &j = i;                  // expected-note 2 {{'j' defined here}}
+  S3 &p = k;                   // expected-note 2 {{'p' defined here}}
+  const int &r = da[i];        // expected-note {{'r' defined here}}
+  int &q = qa[i];              // expected-note {{'q' defined here}}
+  float fl;
+#pragma omp target
+#pragma omp teams distribute reduction // expected-error {{expected '(' after 'reduction'}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp teams distribute' are ignored}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(~ : argc) // expected-error {{expected unqualified-id}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(&& : argc)
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified list item cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified list item cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{invalid operands to binary expression ('S4' and 'S4')}} expected-error {{calling a private constructor of class 'S5'}} expected-error {{invalid operands to binary expression ('S5' and 'S5')}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(+ : o) // expected-error {{no viable overloaded '='}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp parallel private(k)
+#pragma omp target
+#pragma omp teams distribute reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(+ : r) // expected-error {{const-qualified list item cannot be reduction}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp parallel shared(i)
+#pragma omp parallel reduction(min : i)
+#pragma omp target
+#pragma omp teams distribute reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute reduction(+ : fl)
+    for (int j=0; j<100; j++) foo();
+  static int m;
+#pragma omp target
+#pragma omp teams distribute reduction(+ : m) // OK
+  for (int j=0; j<100; j++) foo();
+
+  return tmain(argc) + tmain(fl); // expected-note {{in instantiation of function template specialization 'tmain<int>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<float>' requested here}}
+}
diff --git a/clang/test/OpenMP/teams_distribute_shared_messages.cpp b/clang/test/OpenMP/teams_distribute_shared_messages.cpp
new file mode 100644
index 00000000000..b9e096ce1c2
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_shared_messages.cpp
@@ -0,0 +1,133 @@
+// RUN: %clang_cc1 -verify -fopenmp %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note {{declared here}}
+extern S1 a;
+class S2 {
+  mutable int a;
+public:
+  S2():a(0) { }
+  S2(S2 &s2):a(s2.a) { }
+};
+const S2 b;
+const S2 ba[5];
+class S3 {
+  int a;
+public:
+  S3():a(0) { }
+  S3(S3 &s3):a(s3.a) { }
+};
+const S3 c;
+const S3 ca[5];
+extern const int f;
+class S4 {
+  int a;
+  S4();
+  S4(const S4 &s4);
+public:
+  S4(int v):a(v) { }
+};
+class S5 {
+  int a;
+  S5():a(0) {}
+  S5(const S5 &s5):a(s5.a) { }
+public:
+  S5(int v):a(v) { }
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note {{defined as threadprivate or thread local}}
+
+namespace A {
+double x;
+#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
+}
+namespace B {
+using A::x;
+}
+
+int main(int argc, char **argv) {
+  const int d = 5;
+  const int da[5] = { 0 };
+  S4 e(4);
+  S5 g(5);
+  int i;
+  int &j = i;
+  #pragma omp target
+  #pragma omp teams distribute shared // expected-error {{expected '(' after 'shared'}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared () // expected-error {{expected expression}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared (argc)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared (S1) // expected-error {{'S1' does not refer to a value}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared (a, b, c, d, f)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared (argv[1]) // expected-error {{expected variable name}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared(ba)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared(ca)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared(da)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared(e, g)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be shared}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute private(i), shared(i) // expected-error {{private variable cannot be shared}} expected-note {{defined as private}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute firstprivate(i), shared(i) // expected-error {{firstprivate variable cannot be shared}} expected-note {{defined as firstprivate}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute private(i)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared(i)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared(j)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute firstprivate(i)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared(i)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute shared(j)
+  for (int j=0; j<100; j++) foo();
+
+  return 0;
+}
diff --git a/clang/test/OpenMP/teams_distribute_thread_limit_messages.cpp b/clang/test/OpenMP/teams_distribute_thread_limit_messages.cpp
new file mode 100644
index 00000000000..ec4ca7a05f2
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_thread_limit_messages.cpp
@@ -0,0 +1,111 @@
+// RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note 2 {{declared here}}
+
+template <typename T, int C> // expected-note {{declared here}}
+T tmain(T argc) {
+  char **a;
+#pragma omp target
+#pragma omp teams distribute thread_limit(C)
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute thread_limit(T) // expected-error {{'T' does not refer to a value}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute thread_limit // expected-error {{expected '(' after 'thread_limit'}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute thread_limit( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute thread_limit() // expected-error {{expected expression}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute thread_limit(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute thread_limit(argc)) // expected-warning {{extra tokens at the end of '#pragma omp teams distribute' are ignored}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute thread_limit(argc > 0 ? a[1] : a[2]) // expected-error {{expression must have integral or unscoped enumeration type, not 'char *'}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute thread_limit(argc + argc)
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute thread_limit(argc), thread_limit (argc+1) // expected-error {{directive '#pragma omp teams distribute' cannot contain more than one 'thread_limit' clause}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute thread_limit(S1) // expected-error {{'S1' does not refer to a value}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute thread_limit(-2) // expected-error {{argument to 'thread_limit' clause must be a strictly positive integer value}}
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute thread_limit(-10u)
+  for (int j=0; j<100; j++) foo();
+#pragma omp target
+#pragma omp teams distribute thread_limit(3.14) // expected-error 2 {{expression must have integral or unscoped enumeration type, not 'double'}}
+  for (int j=0; j<100; j++) foo();
+
+  return 0;
+}
+
+int main(int argc, char **argv) {
+#pragma omp target
+#pragma omp teams distribute thread_limit // expected-error {{expected '(' after 'thread_limit'}}
+  for (int j=0; j<100; j++) foo();
+
+#pragma omp target
+#pragma omp teams distribute thread_limit ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+
+#pragma omp target
+#pragma omp teams distribute thread_limit () // expected-error {{expected expression}}
+  for (int j=0; j<100; j++) foo();
+
+#pragma omp target
+#pragma omp teams distribute thread_limit (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+
+#pragma omp target
+#pragma omp teams distribute thread_limit (argc)) // expected-warning {{extra tokens at the end of '#pragma omp teams distribute' are ignored}}
+  for (int j=0; j<100; j++) foo();
+
+#pragma omp target
+#pragma omp teams distribute thread_limit (argc > 0 ? argv[1] : argv[2]) // expected-error {{expression must have integral or unscoped enumeration type, not 'char *'}}
+  for (int j=0; j<100; j++) foo();
+
+#pragma omp target
+#pragma omp teams distribute thread_limit (argc + argc)
+  for (int j=0; j<100; j++) foo();
+
+#pragma omp target
+#pragma omp teams distribute thread_limit (argc), thread_limit (argc+1) // expected-error {{directive '#pragma omp teams distribute' cannot contain more than one 'thread_limit' clause}}
+  for (int j=0; j<100; j++) foo();
+
+#pragma omp target
+#pragma omp teams distribute thread_limit (S1) // expected-error {{'S1' does not refer to a value}}
+  for (int j=0; j<100; j++) foo();
+
+#pragma omp target
+#pragma omp teams distribute thread_limit (-2) // expected-error {{argument to 'thread_limit' clause must be a strictly positive integer value}}
+  for (int j=0; j<100; j++) foo();
+
+#pragma omp target
+#pragma omp teams distribute thread_limit (-10u)
+  for (int j=0; j<100; j++) foo();
+
+#pragma omp target
+#pragma omp teams distribute thread_limit (3.14) // expected-error {{expression must have integral or unscoped enumeration type, not 'double'}}
+  for (int j=0; j<100; j++) foo();
+
+  return tmain<int, 10>(argc); // expected-note {{in instantiation of function template specialization 'tmain<int, 10>' requested here}}
+}