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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/92860] [9/10/11/12 regression] Global flags
 affected by -O settings are clobbered by optimize attribute
Date: Fri, 02 Jul 2021 04:16:39 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D92860

--- Comment #50 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
(In reply to David Binderman from comment #49)
> Created attachment 51095 [details]
> C source code
>=20
> Command line is
>=20
> /home/dcb/gcc/working/./gcc/xgcc  -B/home/dcb/gcc/working/./gcc/  -g -O3
> -march
> =3Dbdver2 -c bug734.c
>=20
> and the reduced version of the code is
>=20
> $ more bug734.c
> #pragma GCC push_options
> #pragma GCC pop_options
> $

Thanks for it. For some reason, I can't still reproduce it. Please provide =
the
output of -v option here.=