[modules] When a declaration has non-trivial visibility, check whether it's

actually hidden before we check its linkage. This avoids computing the linkage
"too early" for an anonymous struct with a typedef name for linkage.

llvm-svn: 253012

1 files changed, 7 insertions, 0 deletions

diff --git a/clang/test/Modules/submodule-visibility.cpp b/clang/test/Modules/submodule-visibility.cpp
index b2c5fc7ba19..345ae155bb3 100644
--- a/clang/test/Modules/submodule-visibility.cpp
+++ b/clang/test/Modules/submodule-visibility.cpp
@@ -28,3 +28,10 @@ int k = n + m; // OK, a and b are visible here.
 #ifndef B
 #error B is not defined
 #endif
+
+// Ensure we don't compute the linkage of this struct before we find it has a
+// typedef name for linkage purposes.
+typedef struct {
+  int p;                 
+  void (*f)(int p);                                                                       
+} name_for_linkage;