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* [Bug c/113438] New: ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c
@ 2024-01-17 11:03 acoplan at gcc dot gnu.org
2024-01-17 11:15 ` [Bug c/113438] " acoplan at gcc dot gnu.org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: acoplan at gcc dot gnu.org @ 2024-01-17 11:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113438
Bug ID: 113438
Summary: ICE (segfault) in dwarf2out_decl with -g -std=c23 on
c23-tag-composite-2.c
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: acoplan at gcc dot gnu.org
Target Milestone: ---
I did a testsuite run with -g on aarch64 and noticed the following ICE:
$ gcc/xgcc -B gcc -c
~/toolchain/src/gcc/gcc/testsuite/gcc.dg/c23-tag-composite-2.c -g -std=c23
/home/alecop01/toolchain/src/gcc/gcc/testsuite/gcc.dg/c23-tag-composite-2.c:15:21:
internal compiler error: Segmentation fault
15 | void g(const struct foo { int x; } a);
| ^~~
0xf15783 crash_signal
/home/alecop01/toolchain/src/other_gcc/gcc/toplev.cc:317
0xa23f04 dwarf2out_decl
/home/alecop01/toolchain/src/other_gcc/gcc/dwarf2out.cc:27611
0xa242c3 dwarf2out_type_decl
/home/alecop01/toolchain/src/other_gcc/gcc/dwarf2out.cc:27405
0xa242c3 dwarf2out_type_decl
/home/alecop01/toolchain/src/other_gcc/gcc/dwarf2out.cc:27400
0xde0d8b rest_of_type_compilation(tree_node*, int)
/home/alecop01/toolchain/src/other_gcc/gcc/passes.cc:339
0x79ce17 finish_struct(unsigned int, tree_node*, tree_node*, tree_node*,
c_struct_parse_info*, tree_node**)
/home/alecop01/toolchain/src/other_gcc/gcc/c/c-decl.cc:9733
0x7b29a7 composite_type_internal(tree_node*, tree_node*, composite_cache*)
/home/alecop01/toolchain/src/other_gcc/gcc/c/c-typeck.cc:588
0x7b1867 composite_type_internal(tree_node*, tree_node*, composite_cache*)
/home/alecop01/toolchain/src/other_gcc/gcc/c/c-typeck.cc:408
0x7b1867 composite_type_internal(tree_node*, tree_node*, composite_cache*)
/home/alecop01/toolchain/src/other_gcc/gcc/c/c-typeck.cc:730
0x7b376f composite_type_internal(tree_node*, tree_node*, composite_cache*)
/home/alecop01/toolchain/src/other_gcc/gcc/c/c-typeck.cc:408
0x7b376f composite_type(tree_node*, tree_node*)
/home/alecop01/toolchain/src/other_gcc/gcc/c/c-typeck.cc:748
0x77c613 merge_decls
/home/alecop01/toolchain/src/other_gcc/gcc/c/c-decl.cc:2798
0x77c613 duplicate_decls
/home/alecop01/toolchain/src/other_gcc/gcc/c/c-decl.cc:3185
0x780347 pushdecl(tree_node*)
/home/alecop01/toolchain/src/other_gcc/gcc/c/c-decl.cc:3374
0x798ba7 start_decl(c_declarator*, c_declspecs*, bool, tree_node*, bool,
unsigned int*)
/home/alecop01/toolchain/src/other_gcc/gcc/c/c-decl.cc:5703
0x81bce3 c_parser_declaration_or_fndef
/home/alecop01/toolchain/src/other_gcc/gcc/c/c-parser.cc:2766
0x82962f c_parser_external_declaration
/home/alecop01/toolchain/src/other_gcc/gcc/c/c-parser.cc:2046
0x82a16f c_parser_translation_unit
/home/alecop01/toolchain/src/other_gcc/gcc/c/c-parser.cc:1900
0x82a16f c_parse_file()
/home/alecop01/toolchain/src/other_gcc/gcc/c/c-parser.cc:26815
0x8aa8df c_common_parse_file()
/home/alecop01/toolchain/src/other_gcc/gcc/c-family/c-opts.cc:1301
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.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c/113438] ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c
2024-01-17 11:03 [Bug c/113438] New: ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c acoplan at gcc dot gnu.org
@ 2024-01-17 11:15 ` acoplan at gcc dot gnu.org
2024-01-17 13:33 ` rguenth at gcc dot gnu.org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: acoplan at gcc dot gnu.org @ 2024-01-17 11:15 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113438
--- Comment #1 from Alex Coplan <acoplan at gcc dot gnu.org> ---
I also noticed the following C23 failures, not sure if these are worth tracking
separately or not:
FAIL: gcc.dg/gnu23-tag-1.c (internal compiler error: 'verify_type' failed)
FAIL: gcc.dg/gnu23-tag-4.c (internal compiler error: 'verify_type' failed)
FAIL: gcc.dg/gnu23-tag-alias-1.c (internal compiler error: 'verify_type'
failed)
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c/113438] ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c
2024-01-17 11:03 [Bug c/113438] New: ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c acoplan at gcc dot gnu.org
2024-01-17 11:15 ` [Bug c/113438] " acoplan at gcc dot gnu.org
@ 2024-01-17 13:33 ` rguenth at gcc dot gnu.org
2024-01-20 15:26 ` uecker at gcc dot gnu.org
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2024-01-17 13:33 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113438
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2024-01-17
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed, I'm seeing this as well.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c/113438] ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c
2024-01-17 11:03 [Bug c/113438] New: ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c acoplan at gcc dot gnu.org
2024-01-17 11:15 ` [Bug c/113438] " acoplan at gcc dot gnu.org
2024-01-17 13:33 ` rguenth at gcc dot gnu.org
@ 2024-01-20 15:26 ` uecker at gcc dot gnu.org
2024-01-23 13:58 ` uecker at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: uecker at gcc dot gnu.org @ 2024-01-20 15:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113438
uecker at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|aarch64-*-* |
--- Comment #3 from uecker at gcc dot gnu.org ---
Not aarch64 specific.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c/113438] ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c
2024-01-17 11:03 [Bug c/113438] New: ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c acoplan at gcc dot gnu.org
` (2 preceding siblings ...)
2024-01-20 15:26 ` uecker at gcc dot gnu.org
@ 2024-01-23 13:58 ` uecker at gcc dot gnu.org
2024-01-28 9:06 ` muecker at gwdg dot de
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: uecker at gcc dot gnu.org @ 2024-01-23 13:58 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113438
--- Comment #4 from uecker at gcc dot gnu.org ---
Created attachment 57194
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57194&action=edit
preliminary patch
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c/113438] ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c
2024-01-17 11:03 [Bug c/113438] New: ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c acoplan at gcc dot gnu.org
` (3 preceding siblings ...)
2024-01-23 13:58 ` uecker at gcc dot gnu.org
@ 2024-01-28 9:06 ` muecker at gwdg dot de
2024-01-31 19:56 ` cvs-commit at gcc dot gnu.org
2024-01-31 20:33 ` uecker at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: muecker at gwdg dot de @ 2024-01-28 9:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113438
--- Comment #5 from Martin Uecker <muecker at gwdg dot de> ---
PATCH: https://gcc.gnu.org/pipermail/gcc-patches/2024-January/644124.html
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c/113438] ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c
2024-01-17 11:03 [Bug c/113438] New: ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c acoplan at gcc dot gnu.org
` (4 preceding siblings ...)
2024-01-28 9:06 ` muecker at gwdg dot de
@ 2024-01-31 19:56 ` cvs-commit at gcc dot gnu.org
2024-01-31 20:33 ` uecker at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2024-01-31 19:56 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113438
--- Comment #6 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Martin Uecker <uecker@gcc.gnu.org>:
https://gcc.gnu.org/g:f6ba433d3c30c20fadd393eed31617a4da81789c
commit r14-8666-gf6ba433d3c30c20fadd393eed31617a4da81789c
Author: Martin Uecker <uecker@tugraz.at>
Date: Tue Jan 23 13:33:34 2024 +0100
Fix ICE with -g and -std=c23 when forming composite types [PR113438]
Set TYPE_STUB_DECL to an artificial decl when creating a new structure
as a composite type.
PR c/113438
gcc/c/
* c-typeck.cc (composite_type_internal): Set TYPE_STUB_DECL.
gcc/testsuite/
* gcc.dg/pr113438.c: New test.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c/113438] ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c
2024-01-17 11:03 [Bug c/113438] New: ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c acoplan at gcc dot gnu.org
` (5 preceding siblings ...)
2024-01-31 19:56 ` cvs-commit at gcc dot gnu.org
@ 2024-01-31 20:33 ` uecker at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: uecker at gcc dot gnu.org @ 2024-01-31 20:33 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113438
uecker at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #7 from uecker at gcc dot gnu.org ---
I filed PR113688 for the verify_type failures with -g.
This bug is fixed on trunk.
^ permalink raw reply [flat|nested] 8+ messages in thread
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2024-01-17 11:03 [Bug c/113438] New: ICE (segfault) in dwarf2out_decl with -g -std=c23 on c23-tag-composite-2.c acoplan at gcc dot gnu.org
2024-01-17 11:15 ` [Bug c/113438] " acoplan at gcc dot gnu.org
2024-01-17 13:33 ` rguenth at gcc dot gnu.org
2024-01-20 15:26 ` uecker at gcc dot gnu.org
2024-01-23 13:58 ` uecker at gcc dot gnu.org
2024-01-28 9:06 ` muecker at gwdg dot de
2024-01-31 19:56 ` cvs-commit at gcc dot gnu.org
2024-01-31 20:33 ` uecker at gcc dot gnu.org
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