Fix even more bugs in debug info support:
1. emit proper debug info for forward decls of structs.
2. emit DW_TAG_member nodes around members of a field like llvm-gcc does.

This slows down debug info generation, but is required for correctness.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58973 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed