================
@@ -0,0 +1,65 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown %s -std=c++20 -fsyntax-only
-verify -Wunreachable-code
+
+#include "Inputs/std-coroutine.h"
+
+extern void abort (void) __attribute__ ((__noreturn__));
+
+struct task {
+ struct promise_type {
+ std::suspend_always initial_suspend();
+ std::suspend_always final_suspend() noexcept;
+ void return_void();
+ std::suspend_always yield_value(int) { return {}; }
+ task get_return_object();
+ void unhandled_exception();
+ };
+};
+
+task test1() {
+ abort();
+ co_yield 1;
+}
+
+task test2() {
+ abort();
+ 1; // expected-warning {{code will never be executed}}
+ co_yield 1;
+}
+
+task test3() {
+ abort();
+ co_return;
+}
+
+task test4() {
+ abort();
+ 1; // expected-warning {{code will never be executed}}
+ co_return;
+}
+
+
+task test5() {
+ abort();
+ co_await std::suspend_never{};
+}
+
+task test6() {
+ abort();
+ 1; // expected-warning {{code will never be executed}}
+ co_await std::suspend_never{};
+}
+
+task test7() {
+ // coroutine statements are not considered unreachable.
+ co_await std::suspend_never{};
+ abort();
+ co_await std::suspend_never{};
+}
+
+task test8() {
+ // coroutine statements are not considered unreachable.
+ // co_await std::suspend_never{};
----------------
usx95 wrote:
nit: Delete comment.
https://github.com/llvm/llvm-project/pull/77454
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