[Bug bootstrap/82141] [8 Regression] raised RTSFIND.RE_NOT_AVAILABLE : rtsfind.adb:851 on darwin

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82141

--- Comment #6 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> <sigh> Of course it's the same issue, namely a Re_Not_Available exception
> thrown by Rtsfind and not properly caught during the compilation of
> g-exptty.adb...

The exception handling on darwin is indeed the same as in linux, but does it
mean that all its mishandling leads to duplicate?

IMO if a PR is fixed by a patch, but a related one is not, they cannot be
duplicates.