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From: "rsandifo at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/108681] [13 Regression] gcc hangs compiling
 opencv/channels_combine.cpp for aarch64
Date: Mon, 06 Feb 2023 14:18:32 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: rtl-optimization
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: compile-time-hog, needs-bisection
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108681

rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |rsandifo at gcc dot=
 gnu.org
             Status|NEW                         |ASSIGNED

--- Comment #7 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.or=
g> ---
(insn 9 7 8 3 (clobber (subreg:V1DI (reg/v:V4x1DI 34 v2 [orig:92 b ] [92]) =
24))
"...":10:14 -1
     (nil))

looks suspicious.  I would have expected that to be simplified or
removed by LRA.=