| // Based on C++20 10.2 example 2. |
| |
| // RUN: rm -rf %t |
| // RUN: mkdir -p %t |
| // RUN: split-file %s %t |
| |
| // RUN: %clang_cc1 -std=c++20 -emit-header-unit -I %t \ |
| // RUN: -xc++-user-header std-10-2-ex2-c.h -o %t/std-10-2-ex2-c.pcm |
| |
| // RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/std-10-2-ex2-tu1.cpp \ |
| // RUN: -o %t/X.pcm |
| |
| // RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/std-10-2-ex2-tu2.cpp \ |
| // RUN: -fmodule-file=%t/std-10-2-ex2-c.pcm -fmodule-file=%t/X.pcm \ |
| // RUN: -pedantic-errors -verify -o %t/M.pcm |
| |
| //--- std-10-2-ex2-b.h |
| int f(); |
| |
| //--- std-10-2-ex2-c.h |
| int g(); |
| |
| //--- std-10-2-ex2-tu1.cpp |
| export module X; |
| export int h(); |
| |
| //--- std-10-2-ex2-tu2.cpp |
| module; |
| #include "std-10-2-ex2-b.h" |
| |
| export module M; |
| import "std-10-2-ex2-c.h"; |
| import X; |
| export using ::f, ::g, ::h; // OK |
| struct S; // expected-note {{target of using declaration}} |
| export using ::S; // expected-error {{using declaration referring to 'S' with module linkage cannot be exported}} |
| |
| namespace N { |
| export int h(); |
| static int h(int); // expected-note {{target of using declaration}} |
| } // namespace N |
| export using N::h; // expected-error {{using declaration referring to 'h' with internal linkage cannot be exported}} |