[Bug c++/101144] New: Coroutine compiler error
victor.burckel at gmail dot com
gcc-bugzilla@gcc.gnu.org
Mon Jun 21 08:13:43 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101144
Bug ID: 101144
Summary: Coroutine compiler error
Product: gcc
Version: 11.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: victor.burckel at gmail dot com
Target Milestone: ---
Hello,
When trying to await the following coroutine, I get a compiler internal error
> internal compiler error: in build_special_member_call, at cp/call.c:10157
See it on godbolt: https://godbolt.org/z/f178vEqc9
#include <coroutine>
#include <vector>
#include <string>
struct task {
struct promise_type {
auto initial_suspend() noexcept { return std::suspend_always{}; }
auto final_suspend() noexcept { return std::suspend_always{}; }
void return_void() {}
task get_return_object() { return task{}; }
void unhandled_exception() noexcept {}
};
~task() noexcept {}
bool await_ready() const noexcept { return false; }
void await_suspend(std::coroutine_handle<>) noexcept {}
void await_resume() noexcept {}
};
task f(const std::vector<std::string>&)
{
co_return;
}
task g()
{
co_await f({"2", "3"});
}
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