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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug debug/103788] [9/10/11/12 Regression] '-fcompare-debug' failure
 (length) w/ -O1
Date: Wed, 22 Dec 2021 08:42:42 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103788

Martin Li=C5=A1ka <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |aoliva at gcc dot gnu.org

--- Comment #6 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
> here is a slightly modified (just line rather than column change) which
> fails in GCC 8 also:
> int
> bar (void);
>=20
> int
> foo (int x)
> {
>   int i;
>=20
>   for (i =3D 0; i <=3D __INT_MAX__; ++i)
>     x +=3D bar () < (
>     x ? 2 : 1 );
>   return x;
> }

This one started with r8-5241-g8697bf9f46f36168 which introduced
-gstatement-frontiers.=