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* [Bug c/110641] New: ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023
@ 2023-07-12 13:08 shaohua.li at inf dot ethz.ch
2023-07-12 13:55 ` [Bug tree-optimization/110641] [14 Regression] " rguenth at gcc dot gnu.org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: shaohua.li at inf dot ethz.ch @ 2023-07-12 13:08 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110641
Bug ID: 110641
Summary: ICE in adjust_loop_info_after_peeling, at
tree-ssa-loop-ivcanon.cc:1023
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: shaohua.li at inf dot ethz.ch
Target Milestone: ---
This looks like a recent regression.
Compiler explorer: https://godbolt.org/z/55EzjdoTK
$ cat a.c
int a, b, c, d, e, g;
int *f;
short **h;
int i() {}
int j() { return a && a <= 'F' || a >= 'a' && a <= 'f'; }
int k() {
d = 0;
for (; d < 2; d = i())
e = b = 0;
for (; e - 71 + b; b++)
;
for (;; c--) {
g = 0;
for (; j() + c + g >= 0; g--)
**h = (char)b + b || f;
}
}
int main() {}
$
$ gcc-tk -O3 a.c
during GIMPLE pass: ch_vect
crash_0_reduced.c: In function ‘k’:
crash_0_reduced.c:6:5: internal compiler error: in
adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023
6 | int k() {
| ^
0x7f7b0bec4082 __libc_start_main
../csu/libc-start.c:308
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
$
$ gcc-tk -v
Using built-in specs.
COLLECT_GCC=gcc-tk
COLLECT_LTO_WRAPPER=/zdata/shaoli/compilers/ccbuilder-compilers/gcc-322d17ae51ea0137167424e0018d7fa355948f9f/libexec/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../configure --disable-multilib --disable-bootstrap
--enable-languages=c,c++
--prefix=/zdata/shaoli/compilers/ccbuilder-compilers/gcc-322d17ae51ea0137167424e0018d7fa355948f9f
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 14.0.0 20230711 (experimental) (GCC)
$
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/110641] [14 Regression] ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023
2023-07-12 13:08 [Bug c/110641] New: ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023 shaohua.li at inf dot ethz.ch
@ 2023-07-12 13:55 ` rguenth at gcc dot gnu.org
2023-07-21 20:35 ` pinskia at gcc dot gnu.org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2023-07-12 13:55 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110641
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hubicka at gcc dot gnu.org
Keywords| |ice-on-valid-code
Target Milestone|--- |14.0
Component|c |tree-optimization
Summary|ICE in |[14 Regression] ICE in
|adjust_loop_info_after_peel |adjust_loop_info_after_peel
|ing, at |ing, at
|tree-ssa-loop-ivcanon.cc:10 |tree-ssa-loop-ivcanon.cc:10
|23 |23
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/110641] [14 Regression] ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023
2023-07-12 13:08 [Bug c/110641] New: ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023 shaohua.li at inf dot ethz.ch
2023-07-12 13:55 ` [Bug tree-optimization/110641] [14 Regression] " rguenth at gcc dot gnu.org
@ 2023-07-21 20:35 ` pinskia at gcc dot gnu.org
2023-07-30 14:52 ` shaohua.li at inf dot ethz.ch
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-07-21 20:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110641
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Last reconfirmed| |2023-07-21
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/110641] [14 Regression] ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023
2023-07-12 13:08 [Bug c/110641] New: ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023 shaohua.li at inf dot ethz.ch
2023-07-12 13:55 ` [Bug tree-optimization/110641] [14 Regression] " rguenth at gcc dot gnu.org
2023-07-21 20:35 ` pinskia at gcc dot gnu.org
@ 2023-07-30 14:52 ` shaohua.li at inf dot ethz.ch
2023-10-17 12:11 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: shaohua.li at inf dot ethz.ch @ 2023-07-30 14:52 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110641
--- Comment #2 from Shaohua Li <shaohua.li at inf dot ethz.ch> ---
Bisect to r14-2230-g7e904d6c7f2
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/110641] [14 Regression] ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023
2023-07-12 13:08 [Bug c/110641] New: ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023 shaohua.li at inf dot ethz.ch
` (2 preceding siblings ...)
2023-07-30 14:52 ` shaohua.li at inf dot ethz.ch
@ 2023-10-17 12:11 ` rguenth at gcc dot gnu.org
2023-11-06 13:16 ` [Bug tree-optimization/110641] [14 Regression] ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023 since r14-2230-g7e904d6c7f2 hubicka at gcc dot gnu.org
2024-01-11 13:53 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2023-10-17 12:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110641
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/110641] [14 Regression] ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023 since r14-2230-g7e904d6c7f2
2023-07-12 13:08 [Bug c/110641] New: ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023 shaohua.li at inf dot ethz.ch
` (3 preceding siblings ...)
2023-10-17 12:11 ` rguenth at gcc dot gnu.org
@ 2023-11-06 13:16 ` hubicka at gcc dot gnu.org
2024-01-11 13:53 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: hubicka at gcc dot gnu.org @ 2023-11-06 13:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110641
Jan Hubicka <hubicka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
--- Comment #3 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
mine.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/110641] [14 Regression] ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023 since r14-2230-g7e904d6c7f2
2023-07-12 13:08 [Bug c/110641] New: ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023 shaohua.li at inf dot ethz.ch
` (4 preceding siblings ...)
2023-11-06 13:16 ` [Bug tree-optimization/110641] [14 Regression] ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023 since r14-2230-g7e904d6c7f2 hubicka at gcc dot gnu.org
@ 2024-01-11 13:53 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2024-01-11 13:53 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110641
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed by r14-7138-g05e8ef2a05b477
^ permalink raw reply [flat|nested] 7+ messages in thread
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2023-07-12 13:08 [Bug c/110641] New: ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023 shaohua.li at inf dot ethz.ch
2023-07-12 13:55 ` [Bug tree-optimization/110641] [14 Regression] " rguenth at gcc dot gnu.org
2023-07-21 20:35 ` pinskia at gcc dot gnu.org
2023-07-30 14:52 ` shaohua.li at inf dot ethz.ch
2023-10-17 12:11 ` rguenth at gcc dot gnu.org
2023-11-06 13:16 ` [Bug tree-optimization/110641] [14 Regression] ICE in adjust_loop_info_after_peeling, at tree-ssa-loop-ivcanon.cc:1023 since r14-2230-g7e904d6c7f2 hubicka at gcc dot gnu.org
2024-01-11 13:53 ` rguenth at gcc dot gnu.org
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