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* [Bug tree-optimization/97190] New: [11 Regression] ICE in get_location_from_adhoc_loc at libcpp/line-map.c:257 since r11-2928-gd14c547abd484d35
@ 2020-09-24 7:50 marxin at gcc dot gnu.org
2020-09-24 7:50 ` [Bug tree-optimization/97190] " marxin at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-09-24 7:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97190
Bug ID: 97190
Summary: [11 Regression] ICE in get_location_from_adhoc_loc at
libcpp/line-map.c:257 since r11-2928-gd14c547abd484d35
Product: gcc
Version: 10.0
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: msebor at gcc dot gnu.org
Target Milestone: ---
The following ICEs:
$ cat strncat.c
#include <string.h>
#include <stdlib.h>
test1(char *to, int to_size, char from) { strncat(to, from, 2); }
main() {
size_t to_size = 0;
char *to = malloc(to_size);
char from;
test1(to, to_size, from);
}
$ gcc strncat.c -c -O1
strncat.c:4:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
4 | test1(char *to, int to_size, char from) { strncat(to, from, 2); }
| ^~~~~
strncat.c: In function ‘test1’:
strncat.c:4:55: warning: passing argument 2 of ‘strncat’ makes pointer from
integer without a cast [-Wint-conversion]
4 | test1(char *to, int to_size, char from) { strncat(to, from, 2); }
| ^~~~
| |
| char
In file included from strncat.c:1:
/usr/include/string.h:133:71: note: expected ‘const char * restrict’ but
argument is of type ‘char’
133 | extern char *strncat (char *__restrict __dest, const char *__restrict
__src,
|
~~~~~~~~~~~~~~~~~~~~~~~^~~~~
strncat.c: At top level:
strncat.c:5:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
5 | main() {
| ^~~~
In function ‘test1’,
inlined from ‘main’ at strncat.c:9:3:
strncat.c:4:43: warning: ‘strncat’ specified bound 2 exceeds destination size 0
[-Wstringop-overflow=]
4 | test1(char *to, int to_size, char from) { strncat(to, from, 2); }
| ^~~~~~~~~~~~~~~~~~~~
during RTL pass: expand
strncat.c: In function ‘main’:
strncat.c:4:43: internal compiler error: Segmentation fault
0xb1b95f crash_signal
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/toplev.c:329
0x7ffff76a652f ???
/usr/src/debug/glibc-2.31-6.3.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x14c3a67 get_location_from_adhoc_loc(line_maps const*, unsigned int)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/libcpp/line-map.c:257
0x14c3a67 linemap_resolve_location(line_maps*, unsigned int,
location_resolution_kind, line_map_ordinary const**)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/libcpp/line-map.c:1540
0x149afa9 diagnostic_report_current_module(diagnostic_context*, unsigned int)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/diagnostic.c:683
0xb64481 diagnostic_report_current_function(diagnostic_context*,
diagnostic_info*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/tree-diagnostic.c:39
0xb644c0 default_tree_diagnostic_starter
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/tree-diagnostic.c:48
0x149a1f6 diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/diagnostic.c:1206
0x149c6c7 diagnostic_impl
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/diagnostic.c:1355
0x149c6c7 inform(unsigned int, char const*, ...)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/diagnostic.c:1434
0x7226db maybe_warn_for_bound
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/builtins.c:3483
0x725f28 maybe_warn_for_bound
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/builtins.c:3361
0x725f28 check_access(tree_node*, tree_node*, tree_node*, tree_node*,
tree_node*, access_mode, access_data const*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/builtins.c:4071
0x7295cf expand_builtin_strncat
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/builtins.c:5284
0x72c136 expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/builtins.c:8665
0x849652 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/expr.c:11243
0x74b73e expand_expr
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/expr.h:282
0x74b73e expand_call_stmt
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/cfgexpand.c:2703
0x74b73e expand_gimple_stmt_1
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/cfgexpand.c:3686
0x74b73e expand_gimple_stmt
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-x86_64/build/gcc/cfgexpand.c:3851
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] 5+ messages in thread
* [Bug tree-optimization/97190] [11 Regression] ICE in get_location_from_adhoc_loc at libcpp/line-map.c:257 since r11-2928-gd14c547abd484d35
2020-09-24 7:50 [Bug tree-optimization/97190] New: [11 Regression] ICE in get_location_from_adhoc_loc at libcpp/line-map.c:257 since r11-2928-gd14c547abd484d35 marxin at gcc dot gnu.org
@ 2020-09-24 7:50 ` marxin at gcc dot gnu.org
2020-09-24 8:51 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-09-24 7:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97190
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2020-09-24
Ever confirmed|0 |1
Known to work| |10.2.0
Known to fail| |11.0
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/97190] [11 Regression] ICE in get_location_from_adhoc_loc at libcpp/line-map.c:257 since r11-2928-gd14c547abd484d35
2020-09-24 7:50 [Bug tree-optimization/97190] New: [11 Regression] ICE in get_location_from_adhoc_loc at libcpp/line-map.c:257 since r11-2928-gd14c547abd484d35 marxin at gcc dot gnu.org
2020-09-24 7:50 ` [Bug tree-optimization/97190] " marxin at gcc dot gnu.org
@ 2020-09-24 8:51 ` rguenth at gcc dot gnu.org
2020-09-24 20:52 ` msebor at gcc dot gnu.org
2020-09-25 7:44 ` marxin at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-09-24 8:51 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97190
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Version|10.0 |11.0
Target Milestone|--- |11.0
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/97190] [11 Regression] ICE in get_location_from_adhoc_loc at libcpp/line-map.c:257 since r11-2928-gd14c547abd484d35
2020-09-24 7:50 [Bug tree-optimization/97190] New: [11 Regression] ICE in get_location_from_adhoc_loc at libcpp/line-map.c:257 since r11-2928-gd14c547abd484d35 marxin at gcc dot gnu.org
2020-09-24 7:50 ` [Bug tree-optimization/97190] " marxin at gcc dot gnu.org
2020-09-24 8:51 ` rguenth at gcc dot gnu.org
@ 2020-09-24 20:52 ` msebor at gcc dot gnu.org
2020-09-25 7:44 ` marxin at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: msebor at gcc dot gnu.org @ 2020-09-24 20:52 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97190
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |DUPLICATE
Status|NEW |RESOLVED
--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
I can't reproduce the ICE with today's top of trunk. It looks like a duplicate
of pr97175 that I fixed yesterday.
*** This bug has been marked as a duplicate of bug 97175 ***
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/97190] [11 Regression] ICE in get_location_from_adhoc_loc at libcpp/line-map.c:257 since r11-2928-gd14c547abd484d35
2020-09-24 7:50 [Bug tree-optimization/97190] New: [11 Regression] ICE in get_location_from_adhoc_loc at libcpp/line-map.c:257 since r11-2928-gd14c547abd484d35 marxin at gcc dot gnu.org
` (2 preceding siblings ...)
2020-09-24 20:52 ` msebor at gcc dot gnu.org
@ 2020-09-25 7:44 ` marxin at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-09-25 7:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97190
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Martin Sebor from comment #1)
> I can't reproduce the ICE with today's top of trunk. It looks like a
> duplicate of pr97175 that I fixed yesterday.
>
> *** This bug has been marked as a duplicate of bug 97175 ***
Yes, I can confirm that. Thank you for the fix.
^ permalink raw reply [flat|nested] 5+ messages in thread
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2020-09-24 7:50 [Bug tree-optimization/97190] New: [11 Regression] ICE in get_location_from_adhoc_loc at libcpp/line-map.c:257 since r11-2928-gd14c547abd484d35 marxin at gcc dot gnu.org
2020-09-24 7:50 ` [Bug tree-optimization/97190] " marxin at gcc dot gnu.org
2020-09-24 8:51 ` rguenth at gcc dot gnu.org
2020-09-24 20:52 ` msebor at gcc dot gnu.org
2020-09-25 7:44 ` marxin at gcc dot gnu.org
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