xref: /llvm-project/clang/test/PCH/cxx20-unevaluated-lambda.cpp (revision 13b6f31548784452990da6dba555af8d7a061958) 
1 // RUN: %clang_cc1 -std=c++20 -include %s %s -o %t
2 
3 // RUN: %clang_cc1 -std=c++20 -emit-pch %s -o %t
4 // RUN: %clang_cc1 -std=c++20 -include-pch %t -verify %s
5 
6 // expected-no-diagnostics
7 
8 #ifndef HEADER
9 #define HEADER
10 
__anona063a9ae0102null11 template<typename T> auto f() -> decltype([]{ return T(42); });
12 
13 #else /*included pch*/
14 
15 static_assert(decltype(f<int>())()() == 42);
16 
17 #endif // HEADER
18