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* [Bug c++/94462] New: ICE in duplicate_decls, at cp/decl.c:1456
@ 2020-04-02 19:43 asolokha at gmx dot com
2020-04-03 7:12 ` [Bug c++/94462] [10 Regression] ICE in duplicate_decls, at cp/decl.c:1456 since r10-6586-gd6ef77e023cfe0bb marxin at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: asolokha at gmx dot com @ 2020-04-02 19:43 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94462
Bug ID: 94462
Summary: ICE in duplicate_decls, at cp/decl.c:1456
Product: gcc
Version: 10.0
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++-10.0.1-alpha20200329 snapshot (g:60c254b279e8e8443b8ad26cc46b9e4084cff66c)
ICEs when compiling the following testcase, extracted from
test/CXX/except/except.spec/p11-2a.cpp from the clang 10.0.0 test suite, w/
-std=c++2a:
namespace std {
struct strong_ordering {
};
}
namespace Synth {
struct B {
friend std::strong_ordering operator<=>(B, B) = default;
};
struct C {
friend bool operator==(C, C);
};
}
% g++-10.0.1 -std=c++2a -c nfj6urxw.cpp
nfj6urxw.cpp:12:32: internal compiler error: in duplicate_decls, at
cp/decl.c:1456
12 | friend bool operator==(C, C);
| ^
0x60bd06 duplicate_decls(tree_node*, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/decl.c:1456
0x973a60 do_pushdecl
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/name-lookup.c:3045
0x9759a3 pushdecl(tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/name-lookup.c:3174
0x9759a3 do_pushdecl_with_scope
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/name-lookup.c:3856
0x975b81 pushdecl_namespace_level(tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/name-lookup.c:5080
0x936333 do_friend(tree_node*, tree_node*, tree_node*, tree_node*,
overload_flags, bool)
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/friend.c:627
0x90082c grokdeclarator(cp_declarator const*, cp_decl_specifier_seq*,
decl_context, int, tree_node**)
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/decl.c:13363
0x91d4cf grokfield(cp_declarator const*, cp_decl_specifier_seq*, tree_node*,
bool, tree_node*, tree_node*)
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/decl2.c:841
0x9c1f06 cp_parser_member_declaration
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/parser.c:25331
0x994d61 cp_parser_member_specification_opt
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/parser.c:24775
0x994d61 cp_parser_class_specifier_1
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/parser.c:23872
0x996eab cp_parser_class_specifier
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/parser.c:24179
0x996eab cp_parser_type_specifier
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/parser.c:17708
0x997fb5 cp_parser_decl_specifier_seq
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/parser.c:14356
0x998a54 cp_parser_simple_declaration
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/parser.c:13610
0x9c3302 cp_parser_declaration
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/parser.c:13430
0x9c3042 cp_parser_toplevel_declaration
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/parser.c:13458
0x9c3042 cp_parser_declaration_seq_opt
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/parser.c:13306
0x9c3042 cp_parser_namespace_body
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/parser.c:19716
0x9c3042 cp_parser_namespace_definition
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200329/work/gcc-10-20200329/gcc/cp/parser.c:19694
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/94462] [10 Regression] ICE in duplicate_decls, at cp/decl.c:1456 since r10-6586-gd6ef77e023cfe0bb
2020-04-02 19:43 [Bug c++/94462] New: ICE in duplicate_decls, at cp/decl.c:1456 asolokha at gmx dot com
@ 2020-04-03 7:12 ` marxin at gcc dot gnu.org
2020-04-03 7:13 ` marxin at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-04-03 7:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94462
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Summary|ICE in duplicate_decls, at |[10 Regression] ICE in
|cp/decl.c:1456 |duplicate_decls, at
| |cp/decl.c:1456 since
| |r10-6586-gd6ef77e023cfe0bb
CC| |jason at gcc dot gnu.org,
| |marxin at gcc dot gnu.org
Last reconfirmed| |2020-04-03
Priority|P3 |P1
Ever confirmed|0 |1
Target Milestone|--- |10.0
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Started with r10-6586-gd6ef77e023cfe0bb.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/94462] [10 Regression] ICE in duplicate_decls, at cp/decl.c:1456 since r10-6586-gd6ef77e023cfe0bb
2020-04-02 19:43 [Bug c++/94462] New: ICE in duplicate_decls, at cp/decl.c:1456 asolokha at gmx dot com
2020-04-03 7:12 ` [Bug c++/94462] [10 Regression] ICE in duplicate_decls, at cp/decl.c:1456 since r10-6586-gd6ef77e023cfe0bb marxin at gcc dot gnu.org
@ 2020-04-03 7:13 ` marxin at gcc dot gnu.org
2020-04-06 15:26 ` jason at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-04-03 7:13 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94462
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Note that before the revision we accepted the code.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/94462] [10 Regression] ICE in duplicate_decls, at cp/decl.c:1456 since r10-6586-gd6ef77e023cfe0bb
2020-04-02 19:43 [Bug c++/94462] New: ICE in duplicate_decls, at cp/decl.c:1456 asolokha at gmx dot com
2020-04-03 7:12 ` [Bug c++/94462] [10 Regression] ICE in duplicate_decls, at cp/decl.c:1456 since r10-6586-gd6ef77e023cfe0bb marxin at gcc dot gnu.org
2020-04-03 7:13 ` marxin at gcc dot gnu.org
@ 2020-04-06 15:26 ` jason at gcc dot gnu.org
2020-04-07 4:11 ` cvs-commit at gcc dot gnu.org
2020-04-07 4:12 ` jason at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: jason at gcc dot gnu.org @ 2020-04-06 15:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94462
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |jason at gcc dot gnu.org
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/94462] [10 Regression] ICE in duplicate_decls, at cp/decl.c:1456 since r10-6586-gd6ef77e023cfe0bb
2020-04-02 19:43 [Bug c++/94462] New: ICE in duplicate_decls, at cp/decl.c:1456 asolokha at gmx dot com
` (2 preceding siblings ...)
2020-04-06 15:26 ` jason at gcc dot gnu.org
@ 2020-04-07 4:11 ` cvs-commit at gcc dot gnu.org
2020-04-07 4:12 ` jason at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2020-04-07 4:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94462
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jason Merrill <jason@gcc.gnu.org>:
https://gcc.gnu.org/g:467fc7c83abfe8fca8b75defac7c89f6c75bf9d7
commit r10-7580-g467fc7c83abfe8fca8b75defac7c89f6c75bf9d7
Author: Jason Merrill <jason@redhat.com>
Date: Mon Apr 6 18:19:07 2020 -0400
c++: Fix ICE with implicit operator== [PR94462]
duplicate_decls assumed that any TREE_ARTIFICIAL function at namespace
scope
was a built-in function, but now in C++20 it's possible to have an
implicitly declared hidden friend operator==. We just need to move the
assert into the if condition.
gcc/cp/ChangeLog
2020-04-06 Jason Merrill <jason@redhat.com>
PR c++/94462
* decl.c (duplicate_decls): Fix handling of DECL_HIDDEN_FRIEND_P.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/94462] [10 Regression] ICE in duplicate_decls, at cp/decl.c:1456 since r10-6586-gd6ef77e023cfe0bb
2020-04-02 19:43 [Bug c++/94462] New: ICE in duplicate_decls, at cp/decl.c:1456 asolokha at gmx dot com
` (3 preceding siblings ...)
2020-04-07 4:11 ` cvs-commit at gcc dot gnu.org
@ 2020-04-07 4:12 ` jason at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: jason at gcc dot gnu.org @ 2020-04-07 4:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94462
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2020-04-07 4:12 UTC | newest]
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2020-04-02 19:43 [Bug c++/94462] New: ICE in duplicate_decls, at cp/decl.c:1456 asolokha at gmx dot com
2020-04-03 7:12 ` [Bug c++/94462] [10 Regression] ICE in duplicate_decls, at cp/decl.c:1456 since r10-6586-gd6ef77e023cfe0bb marxin at gcc dot gnu.org
2020-04-03 7:13 ` marxin at gcc dot gnu.org
2020-04-06 15:26 ` jason at gcc dot gnu.org
2020-04-07 4:11 ` cvs-commit at gcc dot gnu.org
2020-04-07 4:12 ` jason at gcc dot gnu.org
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