public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/102387] New: [12 Regression] ICE Segmentation fault since r12-2429-g62acc72a957b5614
Date: Fri, 17 Sep 2021 12:19:23 +0000 [thread overview]
Message-ID: <bug-102387-4@http.gcc.gnu.org/bugzilla/> (raw)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102387
Bug ID: 102387
Summary: [12 Regression] ICE Segmentation fault since
r12-2429-g62acc72a957b5614
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: richard.sandiford at arm dot com
Target Milestone: ---
The following crashes:
$ cat loop.f90
integer, dimension (3, 3) :: a
call test1(a, (/123456/))
call test1(a(:2, :), (/124578/))
contains
subroutine test1(p, q)
integer, dimension(*) :: p
integer, dimension(:) :: q
if (any (p(size0) .ne. q)) STOP
end
end
$ gfortran loop.f90 --param=unroll-jam-min-percent=0 -Ofast -fno-tree-ch
--param=max-completely-peeled-insns=1 --param=early-inlining-insns=100
-fno-tree-vrp
loop.f90:8:14:
8 | if (any (p(size0) .ne. q)) STOP
| 1
Warning: Legacy Extension: REAL array index at (1)
during GIMPLE pass: unrolljam
loop.f90:3:35:
3 | call test1(a(:2, :), (/124578/))
| ^
internal compiler error: Segmentation fault
0xf7a54a crash_signal
/home/marxin/Programming/gcc/gcc/toplev.c:328
0x7ffff786239f ???
../sysdeps/unix/sysv/linux/sigaction.c:10
0x10ef65c tree_transform_and_unroll_loop(loop*, unsigned int, edge_def*,
tree_niter_desc*, void (*)(loop*, void*), void*)
/home/marxin/Programming/gcc/gcc/tree-ssa-loop-manip.c:1425
0x1bc688b tree_loop_unroll_and_jam
/home/marxin/Programming/gcc/gcc/gimple-loop-jam.c:590
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
next reply other threads:[~2021-09-17 12:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-17 12:19 marxin at gcc dot gnu.org [this message]
2021-09-17 12:19 ` [Bug tree-optimization/102387] " marxin at gcc dot gnu.org
2021-09-20 8:37 ` rguenth at gcc dot gnu.org
2021-09-30 22:33 ` pinskia at gcc dot gnu.org
2021-09-30 22:34 ` pinskia at gcc dot gnu.org
2021-09-30 22:35 ` pinskia at gcc dot gnu.org
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=bug-102387-4@http.gcc.gnu.org/bugzilla/ \
--to=gcc-bugzilla@gcc.gnu.org \
--cc=gcc-bugs@gcc.gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).