llvm-project/clang/test/SemaCXX/coroutines.cpp

52 lines
1.1 KiB
C++

// RUN: %clang_cc1 -std=c++14 -fcoroutines -verify %s
void mixed_yield() {
// FIXME: diagnose
co_yield 0;
return;
}
void mixed_await() {
// FIXME: diagnose
co_await 0;
return;
}
void only_coreturn() {
// FIXME: diagnose
co_return;
}
void mixed_coreturn(bool b) {
// FIXME: diagnose
if (b)
co_return;
else
return;
}
struct CtorDtor {
CtorDtor() {
co_yield 0; // expected-error {{'co_yield' cannot be used in a constructor}}
}
CtorDtor(int n) {
// The spec doesn't say this is ill-formed, but it must be.
co_await n; // expected-error {{'co_await' cannot be used in a constructor}}
}
~CtorDtor() {
co_return 0; // expected-error {{'co_return' cannot be used in a destructor}}
}
// FIXME: The spec says this is ill-formed.
void operator=(CtorDtor&) {
co_yield 0;
}
};
constexpr void constexpr_coroutine() {
co_yield 0; // expected-error {{'co_yield' cannot be used in a constexpr function}}
}
void varargs_coroutine(const char *, ...) {
co_await 0; // expected-error {{'co_await' cannot be used in a varargs function}}
}