================
@@ -0,0 +1,54 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -I%S/Inputs -std=c++20 %s
+
+// expected-no-diagnostics
+
+#include "std-coroutine.h"
+
+using size_t = decltype(sizeof(0));
+
+struct Generator {
+ struct promise_type {
+ int _val{};
+
+ Generator get_return_object() noexcept
+ {
+ return {};
+ }
+
+ std::suspend_never initial_suspend() noexcept
+ {
+ return {};
+ }
+
+ std::suspend_always final_suspend() noexcept
+ {
+ return {};
+ }
+
+ void return_void() noexcept {}
+ void unhandled_exception() noexcept {}
+
+ template<typename This, typename... TheRest>
+ static void*
+ operator new(size_t size,
+ This&,
+ TheRest&&...) noexcept
+ {
+ return nullptr;
+ }
+
+ static void operator delete(void*, size_t)
+ {
+ }
+ };
+};
+
+int main()
+{
+ auto lamb = []() -> Generator {
----------------
shafik wrote:
What should happen if the lambda has a capture? Is it allowed?
https://github.com/llvm/llvm-project/pull/84193
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