Set unnamed_addr for type infos that we are confortable marking as hidden. I
think it is safe to mark all type infos with unnamed_addr, but I am not sure.

llvm-svn: 123275
diff --git a/clang/lib/CodeGen/CGRTTI.cpp b/clang/lib/CodeGen/CGRTTI.cpp
index 444062b..839ff90 100644
--- a/clang/lib/CodeGen/CGRTTI.cpp
+++ b/clang/lib/CodeGen/CGRTTI.cpp
@@ -640,8 +640,12 @@
                           /*ForRTTI*/ true, /*ForDefinition*/ true);
   else if (Hidden || 
            (CGM.getCodeGenOpts().HiddenWeakVTables &&
-            Linkage == llvm::GlobalValue::WeakODRLinkage))
+            Linkage == llvm::GlobalValue::WeakODRLinkage)) {
     GV->setVisibility(llvm::GlobalValue::HiddenVisibility);
+
+    // FIXME: Should we set this for all type infos?
+    GV->setUnnamedAddr(true);
+  }
   
   return llvm::ConstantExpr::getBitCast(GV, Int8PtrTy);
 }