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* [Bug c++/96329] New: [11 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640
@ 2020-07-27 9:40 haoxintu at gmail dot com
2020-07-27 10:19 ` [Bug c++/96329] " marxin at gcc dot gnu.org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: haoxintu at gmail dot com @ 2020-07-27 9:40 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96329
Bug ID: 96329
Summary: [11 Regression] ICE : tree check: expected string_cst,
have error_mark in cp_parser_linkage_specification, at
cp/parser.c:14640
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: error-recovery, ice-on-invalid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: haoxintu at gmail dot com
Target Milestone: ---
Hi, all.
This simple invalide code makes GCC ICE.
Input:
//test.cc
extern "C" ""a
Command:
g++ test.cc
Output:
test.cc:1:12: error: unable to find string literal operator ‘operator""a’ with
‘const char [2]’, ‘long unsigned int’ arguments
1 | extern "C" ""a
| ^~~
test.cc:1:12: internal compiler error: tree check: expected string_cst, have
error_mark in cp_parser_linkage_specification, at cp/parser.c:14640
0x7c524f tree_check_failed(tree_node const*, char const*, int, char const*,
...)
../../gcc/tree.c:9685
0x64d693 cp_parser_linkage_specification
../../gcc/tree.h:3301
0x9cfa9a cp_parser_declaration
../../gcc/cp/parser.c:13421
0x9d015a cp_parser_translation_unit
../../gcc/cp/parser.c:4761
0x9d015a c_parse_file()
../../gcc/cp/parser.c:44043
0xae920b c_common_parse_file()
../../gcc/c-family/c-opts.c:1190
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.
I tested in GCC trunk 20200726, and it seems not to make GCC-10 or downwards
versions crashed.
Thanks,
Haoxin
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/96329] [11 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640
2020-07-27 9:40 [Bug c++/96329] New: [11 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640 haoxintu at gmail dot com
@ 2020-07-27 10:19 ` marxin at gcc dot gnu.org
2020-07-27 12:46 ` rguenth at gcc dot gnu.org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-07-27 10:19 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96329
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
CC| |marxin at gcc dot gnu.org
Ever confirmed|0 |1
Last reconfirmed| |2020-07-27
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Confirmed, ICEs for all revisions I have (4.8.0) with -std=c++14.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/96329] [11 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640
2020-07-27 9:40 [Bug c++/96329] New: [11 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640 haoxintu at gmail dot com
2020-07-27 10:19 ` [Bug c++/96329] " marxin at gcc dot gnu.org
@ 2020-07-27 12:46 ` rguenth at gcc dot gnu.org
2021-04-27 11:39 ` [Bug c++/96329] [11/12 " jakub at gcc dot gnu.org
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-07-27 12:46 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96329
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |11.0
Priority|P3 |P4
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/96329] [11/12 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640
2020-07-27 9:40 [Bug c++/96329] New: [11 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640 haoxintu at gmail dot com
2020-07-27 10:19 ` [Bug c++/96329] " marxin at gcc dot gnu.org
2020-07-27 12:46 ` rguenth at gcc dot gnu.org
@ 2021-04-27 11:39 ` jakub at gcc dot gnu.org
2021-07-28 7:04 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2021-04-27 11:39 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96329
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|11.0 |11.2
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 11.1 has been released, retargeting bugs to GCC 11.2.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/96329] [11/12 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640
2020-07-27 9:40 [Bug c++/96329] New: [11 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640 haoxintu at gmail dot com
` (2 preceding siblings ...)
2021-04-27 11:39 ` [Bug c++/96329] [11/12 " jakub at gcc dot gnu.org
@ 2021-07-28 7:04 ` rguenth at gcc dot gnu.org
2022-03-07 13:03 ` roger at nextmovesoftware dot com
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-07-28 7:04 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96329
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|11.2 |11.3
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 11.2 is being released, retargeting bugs to GCC 11.3
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/96329] [11/12 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640
2020-07-27 9:40 [Bug c++/96329] New: [11 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640 haoxintu at gmail dot com
` (3 preceding siblings ...)
2021-07-28 7:04 ` rguenth at gcc dot gnu.org
@ 2022-03-07 13:03 ` roger at nextmovesoftware dot com
2022-03-08 23:19 ` cvs-commit at gcc dot gnu.org
2022-03-09 16:01 ` roger at nextmovesoftware dot com
6 siblings, 0 replies; 8+ messages in thread
From: roger at nextmovesoftware dot com @ 2022-03-07 13:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96329
Roger Sayle <roger at nextmovesoftware dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |roger at nextmovesoftware dot com
Assignee|unassigned at gcc dot gnu.org |roger at nextmovesoftware dot com
--- Comment #4 from Roger Sayle <roger at nextmovesoftware dot com> ---
Patch proposed.
https://gcc.gnu.org/pipermail/gcc-patches/2022-March/591291.html
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/96329] [11/12 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640
2020-07-27 9:40 [Bug c++/96329] New: [11 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640 haoxintu at gmail dot com
` (4 preceding siblings ...)
2022-03-07 13:03 ` roger at nextmovesoftware dot com
@ 2022-03-08 23:19 ` cvs-commit at gcc dot gnu.org
2022-03-09 16:01 ` roger at nextmovesoftware dot com
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-03-08 23:19 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96329
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Roger Sayle <sayle@gcc.gnu.org>:
https://gcc.gnu.org/g:8ab72ec7c456c92989276f17fe0ae90a56932149
commit r12-7549-g8ab72ec7c456c92989276f17fe0ae90a56932149
Author: Roger Sayle <roger@nextmovesoftware.com>
Date: Tue Mar 8 23:18:34 2022 +0000
PR c++/96329: ICE-on-invalid-code error recovery.
This patch fixes PR c++/96329 which is an ICE-on-invalid-code regression
affecting mainline.
2022-03-08 Roger Sayle <roger@nextmovesoftware.com>
gcc/cp/ChangeLog
PR c++/96329
* parser.cc (cp_parser_linkage_specification): Treat the case where
linkage is error_mark_node as "invalid linkage-specification".
gcc/testsuite/ChangeLog
PR c++/96329
* g++.dg/template/pr96329.C: New test case.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/96329] [11/12 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640
2020-07-27 9:40 [Bug c++/96329] New: [11 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640 haoxintu at gmail dot com
` (5 preceding siblings ...)
2022-03-08 23:19 ` cvs-commit at gcc dot gnu.org
@ 2022-03-09 16:01 ` roger at nextmovesoftware dot com
6 siblings, 0 replies; 8+ messages in thread
From: roger at nextmovesoftware dot com @ 2022-03-09 16:01 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96329
Roger Sayle <roger at nextmovesoftware dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Target Milestone|11.3 |12.0
Status|ASSIGNED |RESOLVED
--- Comment #6 from Roger Sayle <roger at nextmovesoftware dot com> ---
This should now be fixed on mainline.
^ permalink raw reply [flat|nested] 8+ messages in thread
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2020-07-27 9:40 [Bug c++/96329] New: [11 Regression] ICE : tree check: expected string_cst, have error_mark in cp_parser_linkage_specification, at cp/parser.c:14640 haoxintu at gmail dot com
2020-07-27 10:19 ` [Bug c++/96329] " marxin at gcc dot gnu.org
2020-07-27 12:46 ` rguenth at gcc dot gnu.org
2021-04-27 11:39 ` [Bug c++/96329] [11/12 " jakub at gcc dot gnu.org
2021-07-28 7:04 ` rguenth at gcc dot gnu.org
2022-03-07 13:03 ` roger at nextmovesoftware dot com
2022-03-08 23:19 ` cvs-commit at gcc dot gnu.org
2022-03-09 16:01 ` roger at nextmovesoftware dot com
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