xref: /llvm-project/clang/test/SemaCXX/coroutine-builtins.cpp (revision 6ed67ccba7e4699e9e42302f2f9b7653444258ba)
1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++20 %s
2 // RUN: %clang_cc1 -fsyntax-only -verify -DERRORS %s
3 
4 // Check that we don't crash when using __builtin_coro_* without the fcoroutine-ts or -std=c++20 option
5 
6 #ifdef ERRORS
7 // 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 #else
11 // expected-no-diagnostics
12 #endif
13 
main()14 int main() {
15   void *co_h;
16   bool d = __builtin_coro_done(co_h); // #A
17   __builtin_coro_id(32, 0, 0, 0);     // #B
18   __builtin_coro_alloc();             // #C
19 }
20