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From: "rguenther at suse dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/103088] [12 regression] 500.perlbench from
 spec 2017 fails since r12-4698
Date: Fri, 19 Nov 2021 07:06:29 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103088

--- Comment #10 from rguenther at suse dot de <rguenther at suse dot de> ---
On Thu, 18 Nov 2021, aldyh at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103088
>=20
> Aldy Hernandez <aldyh at gcc dot gnu.org> changed:
>=20
>            What    |Removed                     |Added
> -------------------------------------------------------------------------=
---
>                  CC|                            |rguenth at gcc dot gnu.o=
rg
>=20
> --- Comment #9 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
> I can reproduce this with -i ref with -O3 -ffast-math but not with -O3
> -fno-unsafe-math-optimizations.
>=20
> Richi the configury bits you shared once upon a time had
> -fno-unsafe-math-optimizations for 500.perlbench.  Are there known issues=
 with
> this test for -ffast-math that we had -fno-unsafe-math-optimizations?

Indeed - interesting.  I don't remember anything and I have originally
copied this config from our testers which means iff then maybe
Martin knows ... ;)=