1 // RUN: %clang_cc1 -std=c++1z -fmodules-ts %S/module.cppm -emit-module-interface -o %t
2 // RUN: %clang_cc1 -std=c++1z -fmodules-ts -fmodule-file=%t %s -verify
3 import M;
4 
use_from_module_impl()5 void use_from_module_impl() {
6   external_linkage_fn();
7   module_linkage_fn();   // expected-error {{declaration of 'module_linkage_fn' must be imported}}
8   internal_linkage_fn(); // expected-error {{declaration of 'internal_linkage_fn' must be imported}}
9   (void)external_linkage_class{};
10   (void)module_linkage_class{}; // expected-error {{undeclared identifier}} expected-error 0+{{}}
11   (void)internal_linkage_class{}; // expected-error {{undeclared identifier}} expected-error 0+{{}}
12   // [email protected]:10 {{declaration here is not visible}}
13   // [email protected]:11 {{declaration here is not visible}}
14   (void)external_linkage_var;
15   (void)module_linkage_var; // expected-error {{undeclared identifier}}
16   (void)internal_linkage_var; // expected-error {{undeclared identifier}}
17 }
18