Fix another regression from the "skip vtable pointer initialization"
optimization. Make sure to require a vtable when trying to get the address
of a VTT, otherwise we would never end up emitting the VTT.

llvm-svn: 131400
diff --git a/clang/lib/CodeGen/CGVTables.cpp b/clang/lib/CodeGen/CGVTables.cpp
index c7ef9c7..9ac5e67 100644
--- a/clang/lib/CodeGen/CGVTables.cpp
+++ b/clang/lib/CodeGen/CGVTables.cpp
@@ -3175,7 +3175,7 @@
   Out.flush();
   llvm::StringRef Name = OutName.str();
 
-  ComputeVTableRelatedInformation(RD, true);
+  ComputeVTableRelatedInformation(RD, /*VTableRequired=*/true);
   
   const llvm::Type *Int8PtrTy = llvm::Type::getInt8PtrTy(CGM.getLLVMContext());
   llvm::ArrayType *ArrayType =