Revert "[-cxx-abi microsoft] Mangle local TagDecls appropriately"

This reverts commit r190892.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190895 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/MicrosoftMangle.cpp b/lib/AST/MicrosoftMangle.cpp
index 119bc86..8506c4c 100644
--- a/lib/AST/MicrosoftMangle.cpp
+++ b/lib/AST/MicrosoftMangle.cpp
@@ -563,15 +563,9 @@
         break;
       }
 
-      if (TD->hasDeclaratorForAnonDecl())
-        // Anonymous types with no tag or typedef get the name of their
-        // declarator mangled in.
-        Out << "<unnamed-type-" << TD->getDeclaratorForAnonDecl()->getName()
-            << ">@";
-      else
-        // Anonymous types with no tag, no typedef, or declarator get
-        // '<unnamed-tag>@'.
-        Out << "<unnamed-tag>@";
+      // When VC encounters an anonymous type with no tag and no typedef,
+      // it literally emits '<unnamed-tag>@'.
+      Out << "<unnamed-tag>@";
       break;
     }