Remove VISIBILITY_HIDDEN from class/struct found inside anonymous namespaces.
Chris claims we should never have visibility_hidden inside any .cpp file but
that's still not true even after this commit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85042 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/IPA/CallGraph.cpp b/lib/Analysis/IPA/CallGraph.cpp
index e2b288d..875cb48 100644
--- a/lib/Analysis/IPA/CallGraph.cpp
+++ b/lib/Analysis/IPA/CallGraph.cpp
@@ -26,7 +26,7 @@
 //===----------------------------------------------------------------------===//
 // BasicCallGraph class definition
 //
-class VISIBILITY_HIDDEN BasicCallGraph : public CallGraph, public ModulePass {
+class BasicCallGraph : public CallGraph, public ModulePass {
   // Root is root of the call graph, or the external node if a 'main' function
   // couldn't be found.
   //