Revert r128770, r128771, r128773 and r128776 for now. It breaks debug info.

llvm-svn: 128842
diff --git a/clang/lib/CodeGen/CGRTTI.cpp b/clang/lib/CodeGen/CGRTTI.cpp
index e706181..e276d98 100644
--- a/clang/lib/CodeGen/CGRTTI.cpp
+++ b/clang/lib/CodeGen/CGRTTI.cpp
@@ -877,8 +877,7 @@
     // subobject. For a virtual base, this is the offset in the virtual table of
     // the virtual base offset for the virtual base referenced (negative).
     if (Base->isVirtual())
-      OffsetFlags = 
-        CGM.getVTables().getVirtualBaseOffsetOffset(RD, BaseDecl).getQuantity();
+      OffsetFlags = CGM.getVTables().getVirtualBaseOffsetOffset(RD, BaseDecl);
     else {
       const ASTRecordLayout &Layout = CGM.getContext().getASTRecordLayout(RD);
       OffsetFlags = Layout.getBaseClassOffsetInBits(BaseDecl) / 8;