Handle #pragma visibility in explicit specializations and enums.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160057 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 576cbd1..607f57d 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -8931,6 +8931,10 @@
   if (isa<CXXRecordDecl>(Tag))
     FieldCollector->FinishClass();
 
+  // If there's a #pragma GCC visibility in scope, and this isn't a subclass,
+  // set the visibility of this record.
+  AddPushedVisibilityAttribute(Tag);
+
   // Exit this scope of this tag's definition.
   PopDeclContext();
                                           
@@ -10059,12 +10063,6 @@
 
   if (Attr)
     ProcessDeclAttributeList(S, Record, Attr);
-
-  // If there's a #pragma GCC visibility in scope, and this isn't a subclass,
-  // set the visibility of this record.
-  if (Record && !Record->getDeclContext()->isRecord() &&
-      !isa<ClassTemplateSpecializationDecl>(Record))
-    AddPushedVisibilityAttribute(Record);
 }
 
 /// \brief Determine whether the given integral value is representable within
diff --git a/test/CodeGenCXX/visibility.cpp b/test/CodeGenCXX/visibility.cpp
index 60a7792..bf6c6ee 100644
--- a/test/CodeGenCXX/visibility.cpp
+++ b/test/CodeGenCXX/visibility.cpp
@@ -980,10 +980,24 @@
     static void       _M_fill_insert();
   };
 #pragma GCC visibility push(hidden)
+  // GCC doesn't seem to use the visibility of enums at all, we do.
+  enum zed {v1};
+
+  // GCC fails to mark this specialization hidden, we mark it.
+  template<>
+  struct vector<int> {
+    static void       _M_fill_insert();
+  };
   void foo() {
     vector<unsigned>::_M_fill_insert();
+    vector<int>::_M_fill_insert();
+    vector<zed>::_M_fill_insert();
   }
 #pragma GCC visibility pop
   // CHECK: declare void @_ZN6test536vectorIjE14_M_fill_insertEv
   // CHECK-HIDDEN: declare void @_ZN6test536vectorIjE14_M_fill_insertEv
+  // CHECK: declare hidden void @_ZN6test536vectorIiE14_M_fill_insertEv
+  // CHECK-HIDDEN: declare hidden void @_ZN6test536vectorIiE14_M_fill_insertEv
+  // CHECK: declare hidden void @_ZN6test536vectorINS_3zedEE14_M_fill_insertEv
+  // CHECK-HIDDEN: declare hidden void @_ZN6test536vectorINS_3zedEE14_M_fill_insertEv
 }