Make emitting a VTT a two-step process, much like emitting a VTable. You first get the address of the VTT, and then pass it to EmitVTTDefinition.

llvm-svn: 124539
diff --git a/clang/lib/CodeGen/CGClass.cpp b/clang/lib/CodeGen/CGClass.cpp
index a7b8f65..7efd2bc 100644
--- a/clang/lib/CodeGen/CGClass.cpp
+++ b/clang/lib/CodeGen/CGClass.cpp
@@ -318,7 +318,7 @@
     VTT = CGF.Builder.CreateConstInBoundsGEP1_64(VTT, SubVTTIndex);
   } else {
     // We're the complete constructor, so get the VTT by name.
-    VTT = CGF.CGM.getVTables().getVTT(RD);
+    VTT = CGF.CGM.getVTables().GetAddrOfVTT(RD);
     VTT = CGF.Builder.CreateConstInBoundsGEP2_64(VTT, 0, SubVTTIndex);
   }