[clang] [Clang] skip warnings for constructors marked with the [[noreturn]] attribute (PR #115558)

[Aaron Ballman via cfe-commits]

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@@ -49,3 +49,15 @@ void check() {
   test_type(g);
   test_type(h); // expected-note {{instantiation}}
 }
+
+namespace GH63009 {
+struct S {
+  [[noreturn]] S() { throw int {}; }
+};
+
+int test_no_return_constructor() { S(); } // ok
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AaronBallman wrote:

Also, since we're here, can you add a test to ensure that destructors also work as expected? That can be done in a separate PR if you'd like.

https://github.com/llvm/llvm-project/pull/115558