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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/94731] [8/9/10 Regression] internal compiler error: in
 fold_convert_loc, at fold-const.c:2558
Date: Thu, 23 Apr 2020 14:17:31 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94731

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2020-04-23
     Ever confirmed|0                           |1
                 CC|                            |jakub at gcc dot gnu.org
            Summary|[10 Regression] internal    |[8/9/10 Regression]
                   |compiler error: in          |internal compiler error: in
                   |fold_convert_loc, at        |fold_convert_loc, at
                   |fold-const.c:2558           |fold-const.c:2558
             Status|UNCONFIRMED                 |NEW
   Target Milestone|---                         |8.5
           Keywords|                            |error-recovery
           Priority|P3                          |P4

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
This one started to ICE with r8-2897-g02e637d86f9ecb6d0e368438291bb6f6f8feb=
3ab
I bet in the end it is the same FE bug, that it really shouldn't change the
type of a decl on duplicate_decls once it has been used because the middle-=
end
is unprepared to see error_mark_nodes.=