gcc/testsuite/g++.dg/cpp2a/srcloc5.C

   1 // { dg-do compile { target c++20 } }
   2
   3 namespace std {
   4   typedef int source_location;
   5 }
   6
   7 auto x = __builtin_source_location ();  // { dg-error "'std::source_location'\[^\n\r]*is not a class type" }
   8 // { dg-error "'__impl' is not a member of 'std::source_location'" "" { target *-*-* } .-1 }
   9 // { dg-message "using '__builtin_source_location'" "" { target *-*-* } .-2 }