20 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify -std=c++20 %s2// RUN: %clang_cc1 -fsyntax-only -verify -DERRORS %s3 4// Check that we don't crash when using __builtin_coro_* without the fcoroutine-ts or -std=c++20 option5 6#ifdef ERRORS7// expected-error@#A{{use of undeclared identifier '__builtin_coro_done'}}8// expected-error@#B{{use of undeclared identifier '__builtin_coro_id'}}9// expected-error@#C{{use of undeclared identifier '__builtin_coro_alloc'}}10#else11// expected-no-diagnostics12#endif13 14int main() {15 void *co_h;16 bool d = __builtin_coro_done(co_h); // #A17 __builtin_coro_id(32, 0, 0, 0); // #B18 __builtin_coro_alloc(); // #C19}20