[llvm] [llvm-dwp] Fix infinite loop on DWARFv5 DW_FORM_implicit_const (PR #205567)

[via llvm-commits]

youngd007 wrote:

> > > What about DW_FORM_indirect?
> > 
> > 
> > from looking in other code handling DW_FORM_indirect, I do not believe it needs the same fix as implicit_const.
> 
> Ah, yeah, my mistake. I guess it probably doesn't produce a problem when parsing the abbrev - it's still ,
> 
> .

I got confused at the end there:  "it's still , \n ."  Like it is a comma or empty?  Are we good with this change?  It definitely fixes the issue as originally discovered internally.

https://github.com/llvm/llvm-project/pull/205567