[clang] [llvm] Non constant size and offset in DWARF (PR #141106)

[Adam Nemet via llvm-commits]

anemet wrote:

We're also seeing LTO failures with this: 

https://green.lab.llvm.org/job/llvm.org/job/clang-stage2-Rthinlto/900/

I think that this should be reverted.  I also have a small reproducer but unfortunately it requires the Apple linker.

https://github.com/llvm/llvm-project/pull/141106