[PATCH] D34814: [ELF] - Fail the link if something happens on DWARF parsing stage of -gdb-index building

[George Rimar via llvm-commits]

>Is anything else blocking this?
>
>Cheers,
>Rafael

I supposed Rui may probably have comments about error message format or something else.
But since patch is minor, I think we can commit it and tweak later, if needed.

George.