https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104749

Thomas Schwinge <tschwinge at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2022-11-10
                 CC|                            |tschwinge at gcc dot gnu.org
             Status|UNCONFIRMED                 |NEW

--- Comment #11 from Thomas Schwinge <tschwinge at gcc dot gnu.org> ---
I recently started running into such an issue also for x86_64-pc-linux-gnu,
which I determined to be due to recent commit
r13-3560-g7e7ebe3e350fde90fe49ab41ce3b92a811bb6370 "d: Merge upstream dmd,
druntime e4f8919591, phobos 3ad507b51" -- just like what was recently discussed
in PR107552 "[13 regression] stage 1 d21 fails to link on Linux/x86_64", which
got marked a duplicate of this PR104749.

(In reply to Iain Buclaw from comment #6)
> [...] r9-8460, which was fixed for 10.1.0, and backported before 9.4.0 was 
> released.  Linked bug report is pr d/94240.
> 
> In that case then, earlier versions of version 9 might not work correctly.

So I understand that's what we're running into, both for the "Solaris/x86"
configuration originally reported here, and x86_64-pc-linux-gnu as per PR107552
and my own findings?

We've got a report that:

(In reply to r...@cebitec.uni-bielefeld.de from comment #5)
> gdc 9.4.0 work fine.

..., but 'gcc/doc/install.texi' still states that "you need a working GDC
compiler (GCC version 9.1 or later)", thus:

(In reply to Richard Biener from comment #7)
> So maybe amend install.texi

... let's do that -- or is something else still to be investigated here?

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