2 files changed, 62 insertions, 6 deletions
diff --git a/clang/test/SemaCXX/coroutines.cpp b/clang/test/SemaCXX/coroutines.cpp
index 5e1ff34c403..99964ef6bcb 100644
--- a/clang/test/SemaCXX/coroutines.cpp
+++ b/clang/test/SemaCXX/coroutines.cpp
@@ -314,13 +314,23 @@ struct CtorDtor {
   }
 };
 
+namespace std { class type_info; }
+
 void unevaluated() {
-  decltype(co_await a); // expected-error {{cannot be used in an unevaluated context}}
-  sizeof(co_await a); // expected-error {{cannot be used in an unevaluated context}}
-  typeid(co_await a); // expected-error {{cannot be used in an unevaluated context}}
-  decltype(co_yield a); // expected-error {{cannot be used in an unevaluated context}}
-  sizeof(co_yield a); // expected-error {{cannot be used in an unevaluated context}}
-  typeid(co_yield a); // expected-error {{cannot be used in an unevaluated context}}
+  decltype(co_await a); // expected-error {{'co_await' cannot be used in an unevaluated context}}
+                        // expected-warning@-1 {{declaration does not declare anything}}
+  sizeof(co_await a); // expected-error {{'co_await' cannot be used in an unevaluated context}}
+                      // expected-error@-1 {{invalid application of 'sizeof' to an incomplete type 'void'}}
+  typeid(co_await a); // expected-error {{'co_await' cannot be used in an unevaluated context}}
+                      // expected-warning@-1 {{expression with side effects has no effect in an unevaluated context}}
+                      // expected-warning@-2 {{expression result unused}}
+  decltype(co_yield 1); // expected-error {{'co_yield' cannot be used in an unevaluated context}}
+                        // expected-warning@-1 {{declaration does not declare anything}}
+  sizeof(co_yield 2); // expected-error {{'co_yield' cannot be used in an unevaluated context}}
+                      // expected-error@-1 {{invalid application of 'sizeof' to an incomplete type 'void'}}
+  typeid(co_yield 3); // expected-error {{'co_yield' cannot be used in an unevaluated context}}
+                      // expected-warning@-1 {{expression with side effects has no effect in an unevaluated context}}
+                      // expected-warning@-2 {{expression result unused}}
 }
 
 // [expr.await]p2: "An await-expression shall not appear in a default argument."
@@ -328,6 +338,47 @@ void unevaluated() {
 // not allowed. A user may not understand that this is "outside a function."
 void default_argument(int arg = co_await 0) {} // expected-error {{'co_await' cannot be used outside a function}}
 
+void await_in_catch_coroutine() {
+  try {
+  } catch (...) { // FIXME: Emit a note diagnostic pointing out the try handler on this line.
+    []() -> void { co_await a; }(); // OK
+    co_await a; // expected-error {{'co_await' cannot be used in the handler of a try block}}
+  }
+}
+
+void await_nested_in_catch_coroutine() {
+  try {
+  } catch (...) { // FIXME: Emit a note diagnostic pointing out the try handler on this line.
+    try {
+      co_await a; // expected-error {{'co_await' cannot be used in the handler of a try block}}
+      []() -> void { co_await a; }(); // OK
+    } catch (...) {
+      co_return 123;
+    }
+  }
+}
+
+void await_in_lambda_in_catch_coroutine() {
+  try {
+  } catch (...) {
+    []() -> void { co_await a; }(); // OK
+  }
+}
+
+void yield_in_catch_coroutine() {
+  try {
+  } catch (...) {
+    co_yield 1; // expected-error {{'co_yield' cannot be used in the handler of a try block}}
+  }
+}
+
+void return_in_catch_coroutine() {
+  try {
+  } catch (...) {
+    co_return 123; // OK
+  }
+}
+
 constexpr auto constexpr_deduced_return_coroutine() {
   co_yield 0; // expected-error {{'co_yield' cannot be used in a constexpr function}}
   // expected-error@-1 {{'co_yield' cannot be used in a function with a deduced return type}}
diff --git a/clang/test/SemaCXX/exceptions.cpp b/clang/test/SemaCXX/exceptions.cpp
index 9e76783ca8a..1e786adaa1b 100644
--- a/clang/test/SemaCXX/exceptions.cpp
+++ b/clang/test/SemaCXX/exceptions.cpp
@@ -7,6 +7,7 @@ struct A; // expected-note 4 {{forward declaration of 'A'}}
 struct Abstract { virtual void f() = 0; }; // expected-note {{unimplemented pure virtual method 'f'}}
 
 void trys() {
+  int k = 42;
   try {
   } catch(int i) { // expected-note {{previous definition}}
     int j = i;
@@ -18,6 +19,10 @@ void trys() {
   } catch(A &a) { // expected-error {{cannot catch reference to incomplete type 'A'}}
   } catch(Abstract) { // expected-error {{variable type 'Abstract' is an abstract class}}
   } catch(...) {
+    int ref = k;
+    {
+      int ref = k;
+    }
     int j = i; // expected-error {{use of undeclared identifier 'i'}}
   }