Re-apply patch r279045.

llvm-svn: 285066

1 files changed, 1021 insertions, 2 deletions

diff --git a/clang/test/OpenMP/nesting_of_regions.cpp b/clang/test/OpenMP/nesting_of_regions.cpp
index 8f6fb35bd3d..b495bd4b178 100644
--- a/clang/test/OpenMP/nesting_of_regions.cpp
+++ b/clang/test/OpenMP/nesting_of_regions.cpp
@@ -167,7 +167,13 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
-  
+#pragma omp parallel
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'parallel' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+
 // SIMD DIRECTIVE
 #pragma omp simd
   for (int i = 0; i < 10; ++i) {
@@ -371,6 +377,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // FOR DIRECTIVE
 #pragma omp for
@@ -588,6 +600,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp for
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // FOR SIMD DIRECTIVE
 #pragma omp for simd
@@ -793,6 +811,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp for simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // SECTIONS DIRECTIVE
 #pragma omp sections
@@ -1015,6 +1039,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp sections
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'sections' region; perhaps you forget to enclose 'omp teams distribute simd' 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}}
@@ -1296,6 +1326,13 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp sections
+  {
+#pragma omp section
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'section' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // SINGLE DIRECTIVE
 #pragma omp single
@@ -1504,6 +1541,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp single
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'single' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // MASTER DIRECTIVE
 #pragma omp master
@@ -1712,6 +1755,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp master
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'master' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // CRITICAL DIRECTIVE
 #pragma omp critical
@@ -1934,6 +1983,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp critical
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'critical' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // PARALLEL FOR DIRECTIVE
 #pragma omp parallel for
@@ -2156,6 +2211,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp parallel for
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'parallel for' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // PARALLEL FOR SIMD DIRECTIVE
 #pragma omp parallel for simd
@@ -2379,6 +2440,12 @@ 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 simd // 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
@@ -2590,6 +2657,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp parallel sections
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'parallel sections' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TASK DIRECTIVE
 #pragma omp task
@@ -2748,6 +2821,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp task
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'task' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // ORDERED DIRECTIVE
 #pragma omp ordered
@@ -2977,6 +3056,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp ordered
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'ordered' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // ATOMIC DIRECTIVE
 #pragma omp atomic
@@ -3238,6 +3323,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp ordered
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'ordered' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TARGET DIRECTIVE
 #pragma omp target
@@ -3412,6 +3503,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp target
+  { 
+#pragma omp teams distribute simd // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TARGET PARALLEL DIRECTIVE
 #pragma omp target parallel
@@ -3580,6 +3677,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp target parallel
+  { 
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'target parallel' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TARGET PARALLEL FOR DIRECTIVE
 #pragma omp target parallel for
@@ -3802,6 +3905,12 @@ 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 simd // expected-error {{region cannot be closely nested inside 'target parallel for' region; perhaps you forget to enclose 'omp teams distribute simd' 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?}}
@@ -4016,6 +4125,13 @@ void foo() {
   for (int i = 0; i < 10; ++i)
     ;
   }
+#pragma omp target
+#pragma omp teams
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'teams' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+  for (int i = 0; i < 10; ++i)
+    ;
+  }
 
 // TASKLOOP DIRECTIVE
 #pragma omp taskloop
@@ -4229,6 +4345,12 @@ void foo() {
   for (int j = 0; j < 10; ++j)
     ++a;
   }
+#pragma omp taskloop
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+  for (int j = 0; j < 10; ++j)
+    ++a;
+  }
 
 // DISTRIBUTE DIRECTIVE
 #pragma omp target
@@ -4470,6 +4592,14 @@ 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 simd // expected-error {{region cannot be closely nested inside 'distribute' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // DISTRIBUTE PARALLEL FOR DIRECTIVE
 #pragma omp target
@@ -4719,6 +4849,14 @@ 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 simd // expected-error {{region cannot be closely nested inside 'distribute parallel for' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // DISTRIBUTE PARALLEL FOR SIMD DIRECTIVE
 #pragma omp target
@@ -4976,6 +5114,14 @@ 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 simd // 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
@@ -5169,8 +5315,14 @@ 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 simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
 
-// TEAMS DISTRIBUTE DIRECTIVE
+ // 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)
     ;
@@ -5397,6 +5549,483 @@ void foo() {
     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 simd // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target 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;
+  }
+#pragma omp target
+#pragma omp teams distribute
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
+
+// TEAMS DISTRIBUTE SIMD DIRECTIVE
+#pragma omp teams distribute simd // expected-error {{orphaned 'omp teams distribute simd' 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 simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp distribute parallel for simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp distribute // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp for // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp simd // expected-warning {{OpenMP only allows an ordered construct with the simd clause nested in a simd construct}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp for simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp sections // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp section // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp single // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp master // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp critical // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+#pragma omp single
+      {
+	bar();
+      }
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel for // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel for simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel sections // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp task // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp taskyield // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp barrier // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp taskwait // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp flush // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp atomic // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target parallel  // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target parallel for // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target enter data map(to: a) // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target exit data map(from: a) // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target update to(a) // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp distribute simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
+#pragma omp target
+#pragma omp teams 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)
+      ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
 }
 
 void foo() {
@@ -5562,6 +6191,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp parallel
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'parallel' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // SIMD DIRECTIVE
 #pragma omp simd
@@ -5750,6 +6385,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // FOR DIRECTIVE
 #pragma omp for
@@ -5958,6 +6599,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp for
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // FOR SIMD DIRECTIVE
 #pragma omp for simd
@@ -6146,6 +6793,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp for simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // SECTIONS DIRECTIVE
 #pragma omp sections
@@ -6343,6 +6996,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp sections
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'sections' region; perhaps you forget to enclose 'omp teams distribute simd' 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}}
@@ -6634,6 +7293,13 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp sections
+  {
+#pragma omp section
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'section' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // SINGLE DIRECTIVE
 #pragma omp single
@@ -6832,6 +7498,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp single
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'single' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // MASTER DIRECTIVE
 #pragma omp master
@@ -7040,6 +7712,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp master
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'master' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // CRITICAL DIRECTIVE
 #pragma omp critical
@@ -7267,6 +7945,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp critical
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'critical' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // PARALLEL FOR DIRECTIVE
 #pragma omp parallel for
@@ -7490,6 +8174,12 @@ void foo() {
     for (int j = 0; j < 10; ++j)
       ;
   }
+#pragma omp parallel for
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'parallel for' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // PARALLEL FOR SIMD DIRECTIVE
 #pragma omp parallel for simd
@@ -7713,6 +8403,12 @@ 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 simd // 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
@@ -7920,6 +8616,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp parallel sections
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'parallel sections' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TASK DIRECTIVE
 #pragma omp task
@@ -8077,6 +8779,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp task
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'task' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // ATOMIC DIRECTIVE
 #pragma omp atomic
@@ -8337,6 +9045,14 @@ 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 simd // expected-error {{OpenMP constructs may not be nested inside an atomic region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TARGET DIRECTIVE
 #pragma omp target
@@ -8508,6 +9224,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp target
+  { 
+#pragma omp teams distribute simd // OK
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TARGET PARALLEL DIRECTIVE
 #pragma omp target parallel
@@ -8676,6 +9398,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp target parallel
+  { 
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'target parallel' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // TARGET PARALLEL FOR DIRECTIVE
 #pragma omp target parallel for
@@ -8899,6 +9627,12 @@ 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 simd // expected-error {{region cannot be closely nested inside 'target parallel for' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int j = 0; j < 10; ++j)
+      ;
+  }
 
 // TEAMS DIRECTIVE
 #pragma omp target
@@ -9115,6 +9849,13 @@ void foo() {
   for (int i = 0; i < 10; ++i)
     ;
   }
+#pragma omp target
+#pragma omp teams
+  {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'teams' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+  for (int i = 0; i < 10; ++i)
+    ;
+  }
 
 // TASKLOOP DIRECTIVE
 #pragma omp taskloop
@@ -9328,6 +10069,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp taskloop
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute simd // expected-error {{region cannot be closely nested inside 'taskloop' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
 
 // DISTRIBUTE DIRECTIVE
 #pragma omp target
@@ -9845,6 +10592,14 @@ 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 simd // expected-error {{region cannot be closely nested inside 'distribute parallel for' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+  for (int i = 0; i < 10; ++i)
+    ++a;
+  }
 
 // DISTRIBUTE PARALLEL FOR SIMD DIRECTIVE
 #pragma omp target
@@ -10095,6 +10850,14 @@ 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 simd // 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
@@ -10345,6 +11108,14 @@ 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 simd // 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
@@ -10532,6 +11303,12 @@ void foo() {
     for (int i = 0; i < 10; ++i)
       ;
   }
+#pragma omp target simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute simd // 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?}}
@@ -10760,5 +11537,247 @@ void foo() {
     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 simd // expected-error {{region cannot be closely nested inside 'teams distribute' region; perhaps you forget to enclose 'omp teams distribute simd' directive into a target region?}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
+
+// TEAMS DISTRIBUTE SIMD DIRECTIVE
+#pragma omp teams distribute simd // expected-error {{orphaned 'omp teams distribute simd' 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 simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp distribute parallel for simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp distribute // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp for // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp simd // expected-warning {{OpenMP only allows an ordered construct with the simd clause nested in a simd construct}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp for simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp sections // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp section // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp single // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp master // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp critical // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+#pragma omp single
+      {
+	bar();
+      }
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel for // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel for simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp parallel sections // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp task // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    {
+      bar();
+    }
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp taskyield // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp barrier // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp taskwait // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp flush // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp ordered // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    bar();
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp atomic // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target parallel  // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target parallel for // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target enter data map(to: a) // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target exit data map(from: a) // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target update to(a) // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp distribute simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp target simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
+#pragma omp target
+#pragma omp teams 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)
+      ++a;
+  }
+#pragma omp target
+#pragma omp teams distribute simd
+  for (int i = 0; i < 10; ++i) {
+#pragma omp teams distribute simd // expected-error {{OpenMP constructs may not be nested inside a simd region}}
+    for (int i = 0; i < 10; ++i)
+      ++a;
+  }
   return foo<int>();
 }