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* [Bug c/102759] New: ICE: Segmentation fault, contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*), maybe_check_access_sizes
@ 2021-10-15 2:44 cnsun at uwaterloo dot ca
2021-10-15 2:54 ` [Bug ipa/102759] [12 Regression] ICE: Segmentation fault in maybe_check_access_sizes pinskia at gcc dot gnu.org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: cnsun at uwaterloo dot ca @ 2021-10-15 2:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102759
Bug ID: 102759
Summary: ICE: Segmentation fault,
contains_struct_check(tree_node*,
tree_node_structure_enum, char const*, int, char
const*), maybe_check_access_sizes
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: cnsun at uwaterloo dot ca
Target Milestone: ---
This might be a duplicate to PR 100784
$ gcc-trunk -v
Using built-in specs.
COLLECT_GCC=gcc-trunk
COLLECT_LTO_WRAPPER=/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /tmp/tmp.gzh6IUhxke-gcc-builder/gcc/configure
--enable-languages=c,c++,lto --enable-checking-yes --enable-multiarch
--prefix=/scratch/software/gcc-trunk --disable-bootstrap
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 12.0.0 20211014 (experimental) [master -gee9fa8a57] (GCC)
$ cat mutant.c
a4() { void fa4(int[]); }
void fa4();
call_fa4() { fa4(a4); }
$ gcc-trunk -w mutant.c
during GIMPLE pass: waccess
mutant.c: In function ‘call_fa4’:
mutant.c:3:1: internal compiler error: Segmentation fault
3 | call_fa4() { fa4(a4); }
| ^~~~~~~~
0xf8c8d3 crash_signal
/tmp/tmp.gzh6IUhxke-gcc-builder/gcc/gcc/toplev.c:326
0x72b653 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
/tmp/tmp.gzh6IUhxke-gcc-builder/gcc/gcc/tree.h:3546
0x72b653 maybe_check_access_sizes
/tmp/tmp.gzh6IUhxke-gcc-builder/gcc/gcc/gimple-ssa-warn-access.cc:2880
0xc822f4 check_call
/tmp/tmp.gzh6IUhxke-gcc-builder/gcc/gcc/gimple-ssa-warn-access.cc:3151
0xc822f4 check
/tmp/tmp.gzh6IUhxke-gcc-builder/gcc/gcc/gimple-ssa-warn-access.cc:3310
0xc822f4 check
/tmp/tmp.gzh6IUhxke-gcc-builder/gcc/gcc/gimple-ssa-warn-access.cc:3326
0xc822f4 execute
/tmp/tmp.gzh6IUhxke-gcc-builder/gcc/gcc/gimple-ssa-warn-access.cc:3340
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.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug ipa/102759] [12 Regression] ICE: Segmentation fault in maybe_check_access_sizes
2021-10-15 2:44 [Bug c/102759] New: ICE: Segmentation fault, contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*), maybe_check_access_sizes cnsun at uwaterloo dot ca
@ 2021-10-15 2:54 ` pinskia at gcc dot gnu.org
2021-10-15 8:19 ` [Bug tree-optimization/102759] [12 Regression] ICE: Segmentation fault in maybe_check_access_sizes since r12-2976-gb48d4e6818674898 marxin at gcc dot gnu.org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-10-15 2:54 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102759
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |marxin at gcc dot gnu.org
Target Milestone|--- |12.0
Ever confirmed|0 |1
Component|c |ipa
Summary|ICE: Segmentation fault, |[12 Regression] ICE:
|contains_struct_check(tree_ |Segmentation fault in
|node*, |maybe_check_access_sizes
|tree_node_structure_enum, |
|char const*, int, char |
|const*), |
|maybe_check_access_sizes |
Last reconfirmed| |2021-10-15
Status|UNCONFIRMED |NEW
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This code is wildly undefined ....
Confirmed, doubt it is a dup because GCC 11.2.0 does not ICE.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/102759] [12 Regression] ICE: Segmentation fault in maybe_check_access_sizes since r12-2976-gb48d4e6818674898
2021-10-15 2:44 [Bug c/102759] New: ICE: Segmentation fault, contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*), maybe_check_access_sizes cnsun at uwaterloo dot ca
2021-10-15 2:54 ` [Bug ipa/102759] [12 Regression] ICE: Segmentation fault in maybe_check_access_sizes pinskia at gcc dot gnu.org
@ 2021-10-15 8:19 ` marxin at gcc dot gnu.org
2021-10-15 14:35 ` msebor at gcc dot gnu.org
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-10-15 8:19 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102759
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[12 Regression] ICE: |[12 Regression] ICE:
|Segmentation fault in |Segmentation fault in
|maybe_check_access_sizes |maybe_check_access_sizes
| |since
| |r12-2976-gb48d4e6818674898
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Started with r12-2976-gb48d4e6818674898.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/102759] [12 Regression] ICE: Segmentation fault in maybe_check_access_sizes since r12-2976-gb48d4e6818674898
2021-10-15 2:44 [Bug c/102759] New: ICE: Segmentation fault, contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*), maybe_check_access_sizes cnsun at uwaterloo dot ca
2021-10-15 2:54 ` [Bug ipa/102759] [12 Regression] ICE: Segmentation fault in maybe_check_access_sizes pinskia at gcc dot gnu.org
2021-10-15 8:19 ` [Bug tree-optimization/102759] [12 Regression] ICE: Segmentation fault in maybe_check_access_sizes since r12-2976-gb48d4e6818674898 marxin at gcc dot gnu.org
@ 2021-10-15 14:35 ` msebor at gcc dot gnu.org
2021-11-05 13:59 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: msebor at gcc dot gnu.org @ 2021-10-15 14:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102759
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords|diagnostic |ice-on-valid-code
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |msebor at gcc dot gnu.org
--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> ---
The code is certainly undefined but (appallingly), it's syntactically valid C.
The correspondingly hideous C++ version is also accepted without a diagnostic
but doesn't ICE:
void a4 () { void fa4 (int[]); }
void fa4 (...);
void call_fa4 (void) { fa4 (a4); }
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/102759] [12 Regression] ICE: Segmentation fault in maybe_check_access_sizes since r12-2976-gb48d4e6818674898
2021-10-15 2:44 [Bug c/102759] New: ICE: Segmentation fault, contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*), maybe_check_access_sizes cnsun at uwaterloo dot ca
` (2 preceding siblings ...)
2021-10-15 14:35 ` msebor at gcc dot gnu.org
@ 2021-11-05 13:59 ` rguenth at gcc dot gnu.org
2021-11-15 20:33 ` msebor at gcc dot gnu.org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-11-05 13:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102759
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/102759] [12 Regression] ICE: Segmentation fault in maybe_check_access_sizes since r12-2976-gb48d4e6818674898
2021-10-15 2:44 [Bug c/102759] New: ICE: Segmentation fault, contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*), maybe_check_access_sizes cnsun at uwaterloo dot ca
` (3 preceding siblings ...)
2021-11-05 13:59 ` rguenth at gcc dot gnu.org
@ 2021-11-15 20:33 ` msebor at gcc dot gnu.org
2021-11-17 22:10 ` cvs-commit at gcc dot gnu.org
2021-11-17 22:11 ` msebor at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: msebor at gcc dot gnu.org @ 2021-11-15 20:33 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102759
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |patch
--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
Patch: https://gcc.gnu.org/pipermail/gcc-patches/2021-November/584516.html
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/102759] [12 Regression] ICE: Segmentation fault in maybe_check_access_sizes since r12-2976-gb48d4e6818674898
2021-10-15 2:44 [Bug c/102759] New: ICE: Segmentation fault, contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*), maybe_check_access_sizes cnsun at uwaterloo dot ca
` (4 preceding siblings ...)
2021-11-15 20:33 ` msebor at gcc dot gnu.org
@ 2021-11-17 22:10 ` cvs-commit at gcc dot gnu.org
2021-11-17 22:11 ` msebor at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-11-17 22:10 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102759
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Martin Sebor <msebor@gcc.gnu.org>:
https://gcc.gnu.org/g:ea9e0d6c27405d256b4888e9e860e469037c911d
commit r12-5354-gea9e0d6c27405d256b4888e9e860e469037c911d
Author: Martin Sebor <msebor@redhat.com>
Date: Wed Nov 17 15:09:23 2021 -0700
Avoid pathological function redeclarations when checking access sizes
[PR102759].
Resolves:
PR tree-optimization/102759 - ICE: Segmentation fault in
maybe_check_access_sizes since r12-2976-gb48d4e6818674898
gcc/ChangeLog:
PR tree-optimization/102759
* gimple-array-bounds.cc (build_printable_array_type): Move...
* gimple-ssa-warn-access.cc (build_printable_array_type): Avoid
pathological function redeclarations that remove a previously
declared prototype.
Improve formatting of function arguments in informational notes.
* pointer-query.cc (build_printable_array_type): ...to here.
* pointer-query.h (build_printable_array_type): Declared.
gcc/testsuite/ChangeLog:
PR tree-optimization/102759
* gcc.dg/Warray-parameter-10.c: New test.
* gcc.dg/Wstringop-overflow-82.c: New test.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/102759] [12 Regression] ICE: Segmentation fault in maybe_check_access_sizes since r12-2976-gb48d4e6818674898
2021-10-15 2:44 [Bug c/102759] New: ICE: Segmentation fault, contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*), maybe_check_access_sizes cnsun at uwaterloo dot ca
` (5 preceding siblings ...)
2021-11-17 22:10 ` cvs-commit at gcc dot gnu.org
@ 2021-11-17 22:11 ` msebor at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: msebor at gcc dot gnu.org @ 2021-11-17 22:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102759
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #6 from Martin Sebor <msebor at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 8+ messages in thread
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2021-10-15 2:44 [Bug c/102759] New: ICE: Segmentation fault, contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*), maybe_check_access_sizes cnsun at uwaterloo dot ca
2021-10-15 2:54 ` [Bug ipa/102759] [12 Regression] ICE: Segmentation fault in maybe_check_access_sizes pinskia at gcc dot gnu.org
2021-10-15 8:19 ` [Bug tree-optimization/102759] [12 Regression] ICE: Segmentation fault in maybe_check_access_sizes since r12-2976-gb48d4e6818674898 marxin at gcc dot gnu.org
2021-10-15 14:35 ` msebor at gcc dot gnu.org
2021-11-05 13:59 ` rguenth at gcc dot gnu.org
2021-11-15 20:33 ` msebor at gcc dot gnu.org
2021-11-17 22:10 ` cvs-commit at gcc dot gnu.org
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