[llvm] [CLANG][DWARF] Handle DIE offset collision in DW_IDX_parent (PR #95039)

[David Blaikie via llvm-commits]

dwblaikie wrote:

Out on vacation until tomorrow, but did you try making the die numbering unique across type and compile units? I would've thought that might be simpler, but maybe had too many knock-on effects/other things that'd need fixing/changing.

https://github.com/llvm/llvm-project/pull/95039