[llvm] [DWARF] Do not emit DWARF5 symbols in the case of DWARF2/3 + non-lldb (PR #110120)

[Paul T Robinson via llvm-commits]

https://github.com/pogo59 approved this pull request.

LGTM. Probably should have been this way from the start.

https://github.com/llvm/llvm-project/pull/110120