clang/test/SemaCXX/anonymous-union-export.cpp

   1 // RUN: %clang_cc1 -std=c++20 -emit-obj -verify -o %t.pcm %s
   2
   3 export module M;
   4 export { // expected-note 2{{export block begins here}}
   5     union { bool a; }; // expected-error {{anonymous unions at namespace or global scope must be declared 'static'}} expected-error {{declaration of 'a' with internal linkage cannot be exported}}
   6     static union { bool b; }; // expected-error {{declaration of 'b' with internal linkage cannot be exported}}
   7 }