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/Transforms/IPO/DeadArgumentElimination.cpp b/lib/Transforms/IPO/DeadArgumentElimination.cpp
index 79a32f0..69be069 100644
--- a/lib/Transforms/IPO/DeadArgumentElimination.cpp
+++ b/lib/Transforms/IPO/DeadArgumentElimination.cpp
@@ -44,7 +44,7 @@
 namespace {
   /// DAE - The dead argument elimination pass.
   ///
-  class VISIBILITY_HIDDEN DAE : public ModulePass {
+  class DAE : public ModulePass {
   public:
 
     /// Struct that represents (part of) either a return value or a function