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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/112750] wrong code with _BitInt(256) and above with
 __builtin_sub_overflow_p() at -O0
Date: Thu, 30 Nov 2023 10:20:18 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112750

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
     Ever confirmed|0                           |1
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gn=
u.org
   Last reconfirmed|                            |2023-11-30

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 56725
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D56725&action=3Dedit
gcc14-pr112750.patch

Untested fix.=