Add PR check to suggest alternatives to using undef (#118506)
[llvm-project.git] / clang / test / Modules / merge-class-definition-visibility.cpp
blobac4c951584498fd7d6c3b3f3a109c7e0ce426de4
1 // RUN: rm -rf %t
2 // RUN: %clang_cc1 -fmodules -fmodule-map-file=%S/Inputs/merge-class-definition-visibility/modmap \
3 // RUN: -I%S/Inputs/merge-class-definition-visibility \
4 // RUN: -fmodules-cache-path=%t %s -verify \
5 // RUN: -fmodules-local-submodule-visibility
6 // expected-no-diagnostics
8 #include "c.h"
9 template<typename T> struct X { T t; };
10 typedef X<A> XA;
11 struct B;
13 #include "e.h"
14 // Ensure that this triggers the import of the second definition from e.h,
15 // which is necessary to make the definition of A visible in the template
16 // instantiation.
17 XA xa;
19 // Ensure that we make the definition of B visible. We made the parse-merged
20 // definition from e.h visible, which makes the definition from d.h visible,
21 // and that definition was merged into the canonical definition from b.h,
22 // so that becomes visible, and we have a visible definition.
23 B b;