1 // RUN: %clang_cc1 %s -std=c++20 -fsyntax-only -verify
2 // RUN: %clang_cc1 %s -std=c++20 -fsyntax-only -verify -fno-recovery-ast
3 
4 namespace NoCrash {
5 struct ForwardDecl; // expected-note {{forward declaration of}}
6 struct Foo {        // expected-note 2{{candidate constructor}}
7   ForwardDecl f;    // expected-error {{field has incomplete type}}
8 };
9 
10 constexpr Foo getFoo() {
11   Foo e = 123; // expected-error {{no viable conversion from 'int' to 'NoCrash::Foo'}}
12   return e;
13 }
14 }
15