Revert r99612 and see if it fixes self-host.

llvm-svn: 99614

clang/lib/CodeGen/CGClass.cpp

@@ -1601,13 +1601,6 @@ void CodeGenFunction::InitializeVtablePtrs(BaseSubobject Base,
     
     CXXRecordDecl *BaseDecl
       = cast<CXXRecordDecl>(I->getType()->getAs<RecordType>()->getDecl());
-
-    // We don't need to initialize vtable pointers for primary bases, unless
-    // they're virtual.
-    if (!Layout.getPrimaryBaseWasVirtual() &&
-        Layout.getPrimaryBase() == BaseDecl)
-      continue;
-
     uint64_t BaseOffset = Base.getBaseOffset() + 
       Layout.getBaseClassOffset(BaseDecl);