[llvm] [llvm-dwp] Fix FoundCUUnit problem on soft-stop with DWARF5 (PR #169783)

[Jinjie Huang via llvm-commits]

Jinjie-Huang wrote:

Thanks for the review! I've added a test case to cover this scenario, using .fill to force a Type Unit offset overflow.

But I'm worried this might cause CI failures on some LLVM developers' machines due to disk exhaustion, since this test adds an additional 8GB of disk space (4GB dwo + 4GB dwp).

https://github.com/llvm/llvm-project/pull/169783