clang/test/Modules/predefined.cpp

   1 // RUN: rm -rf %t
   2 // RUN: split-file %s %t
   3 // RUN: cd %t
   4
   5 // RUN: %clang_cc1 -x c++ -std=c++20 -emit-module-interface a.h -o a.pcm -fms-extensions -verify
   6 // RUN: %clang_cc1 -std=c++20 a.cpp -fmodule-file=A=a.pcm -fms-extensions -fsyntax-only -verify
   7
   8 //--- a.h
   9
  10 // expected-no-diagnostics
  11
  12 export module A;
  13
  14 export template <typename T>
  15 void f() {
  16     char a[] = __func__;
  17 }
  18
  19 //--- a.cpp
  20
  21 // expected-warning@a.h:8 {{initializing an array from a '__func__' predefined identifier is a Microsoft extension}}
  22
  23 import A;
  24
  25 void g() {
  26     f<int>(); // expected-note {{in instantiation of function template specialization 'f<int>' requested here}}
  27 }