| // Based on C++20 10.2 example 6. |
| |
| // RUN: %clang_cc1 -std=c++20 -emit-module-interface %s -verify -o %t |
| |
| export module M; |
| |
| static int f(); // expected-note {{previous declaration is here}} #1 |
| // error: #1 gives internal linkage |
| export int f(); // expected-error {{cannot export redeclaration 'f' here since the previous declaration has internal linkage}} |
| struct S; // expected-note {{previous declaration is here}} #2 |
| // error: #2 gives module linkage |
| export struct S; // expected-error {{cannot export redeclaration 'S' here since the previous declaration has module linkage}} |
| |
| namespace { |
| namespace N { |
| extern int x; // expected-note {{previous declaration is here}} #3 |
| } |
| } // namespace |
| // error: #3 gives internal linkage |
| export int N::x; // expected-error {{cannot export redeclaration 'x' here since the previous declaration has internal linkage}} |
| // expected-error@-1 {{declaration of 'x' with internal linkage cannot be exported}} |
