More improvements to setting the vtable pointer. We now no longer set the vtable pointer for non-virtual primary bases. We also do a pre-order traversal of the class hierarchy; this is necessary in order to get the right vbase offset offsets in base ctors/dtors.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99775 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed