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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/102844] [9/10/11/12 Regression] vrp inserting
 assert causes miscompiling when doing update_ssa
Date: Wed, 20 Oct 2021 10:56:56 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102844

--- Comment #21 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #12)
> (In reply to Martin Li=C5=A1ka from comment #10)
> > (In reply to Richard Biener from comment #9)
> > > (In reply to Martin Li=C5=A1ka from comment #8)
> > > > Using x86_64 compiler, the issue is fixed on master after
> > > > r10-1420-g744fd446c321f78f and started with r9-6384-g1a438d160e1dc8=
45.
> > >=20
> > > Can you continue searching for a fix with -fdisable-tree-fre4 (r10-14=
20
> > > added FRE4 before DOM3).
> >=20
> > Sure, then it gets fixed with r11-408-g84935c9822183ce4.
>=20
> -fno-tree-sink?

This is fixed with r11-4637-gf5e18dd9c7dacc96.=