1 // RUN: %clang_cc1 -std=c++17 -fmodules-ts -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 a; }; // expected-error {{declaration of 'a' with internal linkage cannot be exported}} 7 } 8