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* [Bug c/97463] New: [11 Regression] ICE in warn_parm_ptrarray_mismatch on an incompatible function redeclaration
@ 2020-10-16 16:21 msebor at gcc dot gnu.org
2020-10-16 16:22 ` [Bug c/97463] " msebor at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: msebor at gcc dot gnu.org @ 2020-10-16 16:21 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97463
Bug ID: 97463
Summary: [11 Regression] ICE in warn_parm_ptrarray_mismatch on
an incompatible function redeclaration
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: msebor at gcc dot gnu.org
Target Milestone: ---
The following invalid program triggers an ICE in the recently added
warn_parm_ptrarray_mismatch function.
$ cat z.c && gcc -O2 -S -Wall -fdump-tree-optimized=/dev/stdout z.c
void f (void**);
void f (int n) { }
z.c:2:1: internal compiler error: Segmentation fault
2 | void f (int n) { }
| ^~~~
0x131e972 crash_signal
/src/gcc/master/gcc/toplev.c:330
0xaea1f4 warn_parm_ptrarray_mismatch
/src/gcc/master/gcc/c-family/c-warn.c:3182
0xaeae8b warn_parm_array_mismatch(unsigned int, tree_node*, tree_node*)
/src/gcc/master/gcc/c-family/c-warn.c:3351
0x969c70 start_function(c_declspecs*, c_declarator*, tree_node*)
/src/gcc/master/gcc/c/c-decl.c:9560
0x9d2682 c_parser_declaration_or_fndef
/src/gcc/master/gcc/c/c-parser.c:2444
0x9d0e02 c_parser_external_declaration
/src/gcc/master/gcc/c/c-parser.c:1777
0x9d0923 c_parser_translation_unit
/src/gcc/master/gcc/c/c-parser.c:1650
0xa0ee9c c_parse_file()
/src/gcc/master/gcc/c/c-parser.c:21821
0xaa27cd c_common_parse_file()
/src/gcc/master/gcc/c-family/c-opts.c:1188
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] 6+ messages in thread
* [Bug c/97463] [11 Regression] ICE in warn_parm_ptrarray_mismatch on an incompatible function redeclaration
2020-10-16 16:21 [Bug c/97463] New: [11 Regression] ICE in warn_parm_ptrarray_mismatch on an incompatible function redeclaration msebor at gcc dot gnu.org
@ 2020-10-16 16:22 ` msebor at gcc dot gnu.org
2020-10-16 16:49 ` msebor at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: msebor at gcc dot gnu.org @ 2020-10-16 16:22 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97463
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |msebor at gcc dot gnu.org
Ever confirmed|0 |1
Status|UNCONFIRMED |ASSIGNED
Target Milestone|--- |11.0
Keywords| |ice-on-invalid-code
Last reconfirmed| |2020-10-16
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/97463] [11 Regression] ICE in warn_parm_ptrarray_mismatch on an incompatible function redeclaration
2020-10-16 16:21 [Bug c/97463] New: [11 Regression] ICE in warn_parm_ptrarray_mismatch on an incompatible function redeclaration msebor at gcc dot gnu.org
2020-10-16 16:22 ` [Bug c/97463] " msebor at gcc dot gnu.org
@ 2020-10-16 16:49 ` msebor at gcc dot gnu.org
2020-10-19 7:15 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: msebor at gcc dot gnu.org @ 2020-10-16 16:49 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97463
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=97131
--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
An almost identical problem was already fixed once in pr97131, but clearly the
fix was incomplete.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/97463] [11 Regression] ICE in warn_parm_ptrarray_mismatch on an incompatible function redeclaration
2020-10-16 16:21 [Bug c/97463] New: [11 Regression] ICE in warn_parm_ptrarray_mismatch on an incompatible function redeclaration msebor at gcc dot gnu.org
2020-10-16 16:22 ` [Bug c/97463] " msebor at gcc dot gnu.org
2020-10-16 16:49 ` msebor at gcc dot gnu.org
@ 2020-10-19 7:15 ` rguenth at gcc dot gnu.org
2020-10-23 18:51 ` cvs-commit at gcc dot gnu.org
2020-10-23 18:54 ` msebor at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-10-19 7:15 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97463
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/97463] [11 Regression] ICE in warn_parm_ptrarray_mismatch on an incompatible function redeclaration
2020-10-16 16:21 [Bug c/97463] New: [11 Regression] ICE in warn_parm_ptrarray_mismatch on an incompatible function redeclaration msebor at gcc dot gnu.org
` (2 preceding siblings ...)
2020-10-19 7:15 ` rguenth at gcc dot gnu.org
@ 2020-10-23 18:51 ` cvs-commit at gcc dot gnu.org
2020-10-23 18:54 ` msebor at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2020-10-23 18:51 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97463
--- Comment #2 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:7991e963239160624b22a12caaacce95d3667e49
commit r11-4326-g7991e963239160624b22a12caaacce95d3667e49
Author: Martin Sebor <msebor@redhat.com>
Date: Fri Oct 23 12:30:20 2020 -0600
PR c/97463 - ICE in warn_parm_ptrarray_mismatch on an incompatible function
redeclaration
gcc/c-family/ChangeLog:
PR c/97463
* c-warn.c (warn_parm_ptrarray_mismatch): Move null test earlier.
gcc/testsuite/ChangeLog:
PR c/97463
* gcc.dg/pr97463.c: New test.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/97463] [11 Regression] ICE in warn_parm_ptrarray_mismatch on an incompatible function redeclaration
2020-10-16 16:21 [Bug c/97463] New: [11 Regression] ICE in warn_parm_ptrarray_mismatch on an incompatible function redeclaration msebor at gcc dot gnu.org
` (3 preceding siblings ...)
2020-10-23 18:51 ` cvs-commit at gcc dot gnu.org
@ 2020-10-23 18:54 ` msebor at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: msebor at gcc dot gnu.org @ 2020-10-23 18:54 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97463
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> ---
Fixed in r11-432.
^ permalink raw reply [flat|nested] 6+ messages in thread
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2020-10-16 16:21 [Bug c/97463] New: [11 Regression] ICE in warn_parm_ptrarray_mismatch on an incompatible function redeclaration msebor at gcc dot gnu.org
2020-10-16 16:22 ` [Bug c/97463] " msebor at gcc dot gnu.org
2020-10-16 16:49 ` msebor at gcc dot gnu.org
2020-10-19 7:15 ` rguenth at gcc dot gnu.org
2020-10-23 18:51 ` cvs-commit at gcc dot gnu.org
2020-10-23 18:54 ` msebor at gcc dot gnu.org
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