diff options
Diffstat (limited to 'clang/test/SemaCXX/coroutines.cpp')
| -rw-r--r-- | clang/test/SemaCXX/coroutines.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/coroutines.cpp b/clang/test/SemaCXX/coroutines.cpp index b5f67045fa7..d58cedf414f 100644 --- a/clang/test/SemaCXX/coroutines.cpp +++ b/clang/test/SemaCXX/coroutines.cpp @@ -1,3 +1,6 @@ +// This file contains references to sections of the Coroutines TS, which can be +// found at http://wg21.link/coroutines. + // RUN: %clang_cc1 -std=c++14 -fcoroutines-ts -verify %s -fcxx-exceptions -fexceptions -Wunused-result void no_coroutine_traits_bad_arg_await() { @@ -320,6 +323,11 @@ void unevaluated() { typeid(co_yield a); // expected-error {{cannot be used in an unevaluated context}} } +// [expr.await]p2: "An await-expression shall not appear in a default argument." +// FIXME: A better diagnostic would explicitly state that default arguments are +// 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}} + 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}} |
