Flip the switch and use the new vtable layout code for everything. I've verified that this passes a self-host but I'll let the bots self host as well before removing the now dead code.

llvm-svn: 99861
diff --git a/clang/lib/CodeGen/CGVtable.cpp b/clang/lib/CodeGen/CGVtable.cpp
index e79e91a..afbfeab 100644
--- a/clang/lib/CodeGen/CGVtable.cpp
+++ b/clang/lib/CodeGen/CGVtable.cpp
@@ -3617,7 +3617,7 @@
   return I->second;
 }
 
-static bool UseNewVTableCode = false;
+static bool UseNewVTableCode = true;
 
 uint64_t
 CodeGenVTables::getAddressPoint(BaseSubobject Base, const CXXRecordDecl *RD) {