1 | // RUN: %clang_cc1 -fmodules -verify -fno-modules-error-recovery -fno-spell-checking %s |
2 | // RUN: %clang_cc1 -fmodules -verify -fno-modules-error-recovery -DONLY_Y %s |
3 | |
4 | #pragma clang module build a |
5 | module a { |
6 | explicit module x {} |
7 | explicit module y {} |
8 | } |
9 | #pragma clang module contents |
10 | #pragma clang module begin a.x |
11 | namespace N { |
12 | template<typename T> extern int f(T) { return 0; } |
13 | } |
14 | #pragma clang module end |
15 | |
16 | #pragma clang module begin a.y |
17 | #pragma clang module import a.x |
18 | using N::f; |
19 | #pragma clang module end |
20 | #pragma clang module endbuild |
21 | |
22 | namespace N { struct A {}; } |
23 | struct B {}; |
24 | |
25 | #ifndef ONLY_Y |
26 | #pragma clang module import a.x |
27 | void test1() { |
28 | f(N::A()); |
29 | f(B()); // expected-error {{use of undeclared identifier 'f'}} |
30 | } |
31 | #else |
32 | // expected-no-diagnostics |
33 | #endif |
34 | |
35 | #pragma clang module import a.y |
36 | void test2() { |
37 | // These are OK even if a.x is not imported. |
38 | f(N::A()); |
39 | f(B()); |
40 | } |
41 | |