clang/test/Modules/merge-class-definition-visibility.cpp

   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
   7
   8 #include "c.h"
   9 template<typename T> struct X { T t; };
  10 typedef X<A> XA;
  11 struct B;
  12
  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;
  18
  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;