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From: "dmalcolm at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug analyzer/109802] [13 Regression] ICE using dubious flexible
 arrays in unions
Date: Fri, 16 Feb 2024 21:24:55 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109802

David Malcolm <dmalcolm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2024-02-16
            Summary|[regression] during IPA     |[13 Regression] ICE using
                   |pass: analyzer: internal    |dubious flexible arrays in
                   |compiler error (using       |unions
                   |dubious flexible arrays in  |
                   |unions)                     |

--- Comment #5 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Thanks for filing this bug report.

(In reply to Alejandro Colomar from comment #2)
> Here's a simplified version that will cause the same internal compiler er=
ror.
  Trunk (GCC 14): ok:  https://godbolt.org/z/4cjf6Khh3
  GCC 13.2:       ICE: https://godbolt.org/z/K4j97a4eb
  GCC 12.3:       ok:  https://godbolt.org/z/1jfz8YTPj

...so it seems like this is fixed on trunk (for GCC 14) but still affects G=
CC
13.=