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* [Bug c++/99500] New: [11 Regression] ICE: tree check: expected tree that contains 'decl minimal' structure, have 'error_mark' in cp_parser_requirement_parameter_list, at cp/parser.c:28828
@ 2021-03-10 0:09 asolokha at gmx dot com
2021-03-10 0:12 ` [Bug c++/99500] " mpolacek at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: asolokha at gmx dot com @ 2021-03-10 0:09 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99500
Bug ID: 99500
Summary: [11 Regression] ICE: tree check: expected tree that
contains 'decl minimal' structure, have 'error_mark'
in cp_parser_requirement_parameter_list, at
cp/parser.c:28828
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
g++-11.0.1-alpha20210307 snapshot (g:a18ebd6c439227b048a91fbfa66f5983f884c157)
ICEs when compiling the following testcase, extracted from
clang/testsuite/Parser/cxx2a-concepts-requires-expr.cpp from the clang 11.1.0
test suite, w/ -fconcepts:
bool r9 = requires (bool a, int a) { requires true; };
% g++-11.0.1 -fconcepts -c qrldoo68.cpp
qrldoo68.cpp:1:33: error: conflicting declaration 'int a'
1 | bool r9 = requires (bool a, int a) { requires true; };
| ~~~~^
qrldoo68.cpp:1:26: note: previous declaration as 'bool a'
1 | bool r9 = requires (bool a, int a) { requires true; };
| ~~~~~^
qrldoo68.cpp:1:34: internal compiler error: tree check: expected tree that
contains 'decl minimal' structure, have 'error_mark' in
cp_parser_requirement_parameter_list, at cp/parser.c:28828
1 | bool r9 = requires (bool a, int a) { requires true; };
| ^
0x80e5cb tree_contains_struct_check_failed(tree_node const*,
tree_node_structure_enum, char const*, int, char const*)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/tree.c:9988
0x68d2c8 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/tree.h:3467
0x68d2c8 cp_parser_requirement_parameter_list
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:28828
0x68d2c8 cp_parser_requires_expression
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:28768
0x68d2c8 cp_parser_primary_expression
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:5791
0xa4ef96 cp_parser_postfix_expression
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:7504
0xa380d2 cp_parser_binary_expression
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:9825
0xa38a6a cp_parser_assignment_expression
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:10130
0xa3a8cd cp_parser_constant_expression
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:10424
0xa3a9a1 cp_parser_initializer_clause
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:24185
0xa3e39c cp_parser_initializer
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:24123
0xa6b0a3 cp_parser_init_declarator
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:21783
0xa46cc8 cp_parser_simple_declaration
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:14419
0xa74605 cp_parser_declaration
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:14116
0xa75389 cp_parser_toplevel_declaration
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:14145
0xa75389 cp_parser_translation_unit
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:4936
0xa75389 c_parse_file()
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/cp/parser.c:45231
0xb9dc3d c_common_parse_file()
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210307/work/gcc-11-20210307/gcc/c-family/c-opts.c:1218
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/99500] [11 Regression] ICE: tree check: expected tree that contains 'decl minimal' structure, have 'error_mark' in cp_parser_requirement_parameter_list, at cp/parser.c:28828
2021-03-10 0:09 [Bug c++/99500] New: [11 Regression] ICE: tree check: expected tree that contains 'decl minimal' structure, have 'error_mark' in cp_parser_requirement_parameter_list, at cp/parser.c:28828 asolokha at gmx dot com
@ 2021-03-10 0:12 ` mpolacek at gcc dot gnu.org
2021-03-10 1:53 ` mpolacek at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2021-03-10 0:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99500
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |error-recovery
CC| |mpolacek at gcc dot gnu.org
Ever confirmed|0 |1
Target Milestone|--- |11.0
Last reconfirmed| |2021-03-10
Status|UNCONFIRMED |NEW
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/99500] [11 Regression] ICE: tree check: expected tree that contains 'decl minimal' structure, have 'error_mark' in cp_parser_requirement_parameter_list, at cp/parser.c:28828
2021-03-10 0:09 [Bug c++/99500] New: [11 Regression] ICE: tree check: expected tree that contains 'decl minimal' structure, have 'error_mark' in cp_parser_requirement_parameter_list, at cp/parser.c:28828 asolokha at gmx dot com
2021-03-10 0:12 ` [Bug c++/99500] " mpolacek at gcc dot gnu.org
@ 2021-03-10 1:53 ` mpolacek at gcc dot gnu.org
2021-03-10 8:16 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2021-03-10 1:53 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99500
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |mpolacek at gcc dot gnu.org
Status|NEW |ASSIGNED
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/99500] [11 Regression] ICE: tree check: expected tree that contains 'decl minimal' structure, have 'error_mark' in cp_parser_requirement_parameter_list, at cp/parser.c:28828
2021-03-10 0:09 [Bug c++/99500] New: [11 Regression] ICE: tree check: expected tree that contains 'decl minimal' structure, have 'error_mark' in cp_parser_requirement_parameter_list, at cp/parser.c:28828 asolokha at gmx dot com
2021-03-10 0:12 ` [Bug c++/99500] " mpolacek at gcc dot gnu.org
2021-03-10 1:53 ` mpolacek at gcc dot gnu.org
@ 2021-03-10 8:16 ` rguenth at gcc dot gnu.org
2021-03-19 0:10 ` cvs-commit at gcc dot gnu.org
2021-03-19 0:10 ` mpolacek at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-03-10 8:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99500
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P4
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/99500] [11 Regression] ICE: tree check: expected tree that contains 'decl minimal' structure, have 'error_mark' in cp_parser_requirement_parameter_list, at cp/parser.c:28828
2021-03-10 0:09 [Bug c++/99500] New: [11 Regression] ICE: tree check: expected tree that contains 'decl minimal' structure, have 'error_mark' in cp_parser_requirement_parameter_list, at cp/parser.c:28828 asolokha at gmx dot com
` (2 preceding siblings ...)
2021-03-10 8:16 ` rguenth at gcc dot gnu.org
@ 2021-03-19 0:10 ` cvs-commit at gcc dot gnu.org
2021-03-19 0:10 ` mpolacek at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-03-19 0:10 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99500
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Marek Polacek <mpolacek@gcc.gnu.org>:
https://gcc.gnu.org/g:bd9b262fa9243e08fefa4973f08d1f09f6694ba0
commit r11-7727-gbd9b262fa9243e08fefa4973f08d1f09f6694ba0
Author: Marek Polacek <polacek@redhat.com>
Date: Tue Mar 9 20:55:14 2021 -0500
c++: Fix error-recovery with requires expression [PR99500]
This fixes an ICE on invalid code where one of the parameters was
error_mark_node and thus resetting its DECL_CONTEXT crashed.
gcc/cp/ChangeLog:
PR c++/99500
* parser.c (cp_parser_requirement_parameter_list): Handle
error_mark_node.
gcc/testsuite/ChangeLog:
PR c++/99500
* g++.dg/cpp2a/concepts-err3.C: New test.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/99500] [11 Regression] ICE: tree check: expected tree that contains 'decl minimal' structure, have 'error_mark' in cp_parser_requirement_parameter_list, at cp/parser.c:28828
2021-03-10 0:09 [Bug c++/99500] New: [11 Regression] ICE: tree check: expected tree that contains 'decl minimal' structure, have 'error_mark' in cp_parser_requirement_parameter_list, at cp/parser.c:28828 asolokha at gmx dot com
` (3 preceding siblings ...)
2021-03-19 0:10 ` cvs-commit at gcc dot gnu.org
@ 2021-03-19 0:10 ` mpolacek at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2021-03-19 0:10 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99500
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 6+ messages in thread
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2021-03-10 0:09 [Bug c++/99500] New: [11 Regression] ICE: tree check: expected tree that contains 'decl minimal' structure, have 'error_mark' in cp_parser_requirement_parameter_list, at cp/parser.c:28828 asolokha at gmx dot com
2021-03-10 0:12 ` [Bug c++/99500] " mpolacek at gcc dot gnu.org
2021-03-10 1:53 ` mpolacek at gcc dot gnu.org
2021-03-10 8:16 ` rguenth at gcc dot gnu.org
2021-03-19 0:10 ` cvs-commit at gcc dot gnu.org
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