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* [Bug c++/96440] New: ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841
@ 2020-08-03 16:55 haoxintu at gmail dot com
2020-08-03 19:40 ` [Bug c++/96440] [8/9/10/11 Regression] " mpolacek at gcc dot gnu.org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: haoxintu at gmail dot com @ 2020-08-03 16:55 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96440
Bug ID: 96440
Summary: ICE in tree check: expected tree_list, have error_mark
in get_attribute_name, at attribs.c:841
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 code, reduced by C-Vise, makes GCC-trunk ICE and makes released GCC
versions "confused by early errors".
Input:
//small.cc
auto alignas a [[]] [[const]] ();
Command:
g++ small.cc
Output:
small.cc:1:14: error: expected ‘(’ before ‘a’
1 | auto alignas a [[]] [[const]] ();
| ^
| (
small.cc:1:29: internal compiler error: tree check: expected tree_list, have
error_mark in get_attribute_name, at attribs.c:841
1 | auto alignas a [[]] [[const]] ();
| ^
0x7c7fd7 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
../../gcc/tree.c:9687
0x6a0bd3 tree_check(tree_node const*, char const*, int, char const*, tree_code)
../../gcc/tree.h:3559
0x6a0bd3 get_attribute_name(tree_node const*)
../../gcc/attribs.c:841
0xa9e159 private_lookup_attribute(char const*, unsigned long, tree_node*)
../../gcc/attribs.c:1812
0x911518 lookup_attribute
../../gcc/attribs.h:179
0x911518 grokdeclarator(cp_declarator const*, cp_decl_specifier_seq*,
decl_context, int, tree_node**)
../../gcc/cp/decl.c:11384
0x91d418 start_decl(cp_declarator const*, cp_decl_specifier_seq*, int,
tree_node*, tree_node*, tree_node**)
../../gcc/cp/decl.c:5233
0x9cbd7d cp_parser_init_declarator
../../gcc/cp/parser.c:20858
0x9ac3cc cp_parser_simple_declaration
../../gcc/cp/parser.c:13811
0x9d763e cp_parser_declaration
../../gcc/cp/parser.c:13510
0x9d7d2b cp_parser_translation_unit
../../gcc/cp/parser.c:4793
0x9d7d2b c_parse_file()
../../gcc/cp/parser.c:44081
0xaf2e9d c_common_parse_file()
../../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.
My gcc version is
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/home/haoxin/corpus-compilers/gcc-trunk/gcc-master/build/libexec/gcc/x86_64-pc-linux-gnu/11.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../configure
--prefix=/home/haoxin/corpus-compilers/gcc-trunk/gcc-master/build/
--enable-languages=c,c++ CC=gcc CXX=g++
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 11.0.0 20200801 (experimental) (GCC)
Thanks,
Haoxin
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/96440] [8/9/10/11 Regression] ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841
2020-08-03 16:55 [Bug c++/96440] New: ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841 haoxintu at gmail dot com
@ 2020-08-03 19:40 ` mpolacek at gcc dot gnu.org
2020-08-04 6:01 ` rguenth at gcc dot gnu.org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2020-08-03 19:40 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96440
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |8.5
Ever confirmed|0 |1
Summary|ICE in tree check: expected |[8/9/10/11 Regression] ICE
|tree_list, have error_mark |in tree check: expected
|in get_attribute_name, at |tree_list, have error_mark
|attribs.c:841 |in get_attribute_name, at
| |attribs.c:841
CC| |mpolacek at gcc dot gnu.org
Last reconfirmed| |2020-08-03
Status|UNCONFIRMED |NEW
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed. Regressed with r193029.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/96440] [8/9/10/11 Regression] ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841
2020-08-03 16:55 [Bug c++/96440] New: ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841 haoxintu at gmail dot com
2020-08-03 19:40 ` [Bug c++/96440] [8/9/10/11 Regression] " mpolacek at gcc dot gnu.org
@ 2020-08-04 6:01 ` rguenth at gcc dot gnu.org
2021-05-14 9:53 ` [Bug c++/96440] [9/10/11/12 " jakub at gcc dot gnu.org
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-08-04 6:01 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96440
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P4
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/96440] [9/10/11/12 Regression] ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841
2020-08-03 16:55 [Bug c++/96440] New: ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841 haoxintu at gmail dot com
2020-08-03 19:40 ` [Bug c++/96440] [8/9/10/11 Regression] " mpolacek at gcc dot gnu.org
2020-08-04 6:01 ` rguenth at gcc dot gnu.org
@ 2021-05-14 9:53 ` jakub at gcc dot gnu.org
2021-06-01 8:18 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2021-05-14 9:53 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96440
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|8.5 |9.4
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 8 branch is being closed.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/96440] [9/10/11/12 Regression] ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841
2020-08-03 16:55 [Bug c++/96440] New: ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841 haoxintu at gmail dot com
` (2 preceding siblings ...)
2021-05-14 9:53 ` [Bug c++/96440] [9/10/11/12 " jakub at gcc dot gnu.org
@ 2021-06-01 8:18 ` rguenth at gcc dot gnu.org
2022-03-07 13:06 ` roger at nextmovesoftware dot com
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-06-01 8:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96440
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|9.4 |9.5
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 9.4 is being released, retargeting bugs to GCC 9.5.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/96440] [9/10/11/12 Regression] ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841
2020-08-03 16:55 [Bug c++/96440] New: ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841 haoxintu at gmail dot com
` (3 preceding siblings ...)
2021-06-01 8:18 ` rguenth at gcc dot gnu.org
@ 2022-03-07 13:06 ` roger at nextmovesoftware dot com
2022-03-08 23:35 ` cvs-commit at gcc dot gnu.org
2022-03-09 16:04 ` roger at nextmovesoftware dot com
6 siblings, 0 replies; 8+ messages in thread
From: roger at nextmovesoftware dot com @ 2022-03-07 13:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96440
Roger Sayle <roger at nextmovesoftware dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |roger at nextmovesoftware dot com
Status|NEW |ASSIGNED
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/591293.html
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/96440] [9/10/11/12 Regression] ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841
2020-08-03 16:55 [Bug c++/96440] New: ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841 haoxintu at gmail dot com
` (4 preceding siblings ...)
2022-03-07 13:06 ` roger at nextmovesoftware dot com
@ 2022-03-08 23:35 ` cvs-commit at gcc dot gnu.org
2022-03-09 16:04 ` roger at nextmovesoftware dot com
6 siblings, 0 replies; 8+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-03-08 23:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96440
--- 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:e52af9cac7fa7409c78c9f336dc1da57750c9766
commit r12-7552-ge52af9cac7fa7409c78c9f336dc1da57750c9766
Author: Roger Sayle <roger@nextmovesoftware.com>
Date: Tue Mar 8 23:33:46 2022 +0000
PR c++/96440: ICE-on-invalid-code error recovery.
This patch fixes PR c++/96440 which is an ICE-on-invalid-code regression
affecting mainline.
2022-03-08 Roger Sayle <roger@nextmovesoftware.com>
gcc/cp/ChangeLog
PR c++/96440
* decl.cc (start_decl): Defend against prefix_attributes being
error_mark_node.
gcc/testsuite/ChangeLog
PR c++/96440
* g++.dg/cpp0x/pr96440.C: New test case.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c++/96440] [9/10/11/12 Regression] ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841
2020-08-03 16:55 [Bug c++/96440] New: ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841 haoxintu at gmail dot com
` (5 preceding siblings ...)
2022-03-08 23:35 ` cvs-commit at gcc dot gnu.org
@ 2022-03-09 16:04 ` roger at nextmovesoftware dot com
6 siblings, 0 replies; 8+ messages in thread
From: roger at nextmovesoftware dot com @ 2022-03-09 16:04 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96440
Roger Sayle <roger at nextmovesoftware dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
Target Milestone|9.5 |12.0
--- 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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2020-08-03 16:55 [Bug c++/96440] New: ICE in tree check: expected tree_list, have error_mark in get_attribute_name, at attribs.c:841 haoxintu at gmail dot com
2020-08-03 19:40 ` [Bug c++/96440] [8/9/10/11 Regression] " mpolacek at gcc dot gnu.org
2020-08-04 6:01 ` rguenth at gcc dot gnu.org
2021-05-14 9:53 ` [Bug c++/96440] [9/10/11/12 " jakub at gcc dot gnu.org
2021-06-01 8:18 ` rguenth at gcc dot gnu.org
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2022-03-08 23:35 ` cvs-commit at gcc dot gnu.org
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