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From: "crazylht at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/108601] [13 Regression] vector peeling ICEs
 with VLA in gcc_r in SPEC2017 since
 g:c13223b790bbc5e4a3f5605e057eac59b61b2c85
Date: Wed, 01 Feb 2023 07:46:28 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108601

--- Comment #12 from Hongtao.liu <crazylht at gmail dot com> ---

> When the VF is not known we usually do not require an epilogue?  If
> we don't require one we should avoid creating one.
I may not be very clear in my description=EF=BC=8C here gdb shows.

(gdb) p vf
$1 =3D {<poly_int_pod<2, unsigned long>> =3D {coeffs =3D {4, 4}}, <No data =
fields>}
(gdb) p vf.is_constant ()
$2 =3D false
(gdb)=