// RUN: rm -rf %t // RUN: split-file %s %t // RUN: cd %t // RUN: %clang_cc1 -x c++ -std=c++20 -emit-module-interface a.h -o a.pcm -fms-extensions -verify // RUN: %clang_cc1 -std=c++20 a.cpp -fmodule-file=A=a.pcm -fms-extensions -fsyntax-only -verify //--- a.h // expected-no-diagnostics export module A; export template void f() { char a[] = __func__; } //--- a.cpp // expected-warning@a.h:8 {{initializing an array from a '__func__' predefined identifier is a Microsoft extension}} import A; void g() { f(); // expected-note {{in instantiation of function template specialization 'f' requested here}} }