public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/102217] co_awaiting a temporary produced by ternary operator crashes (double-free)
Date: Wed, 02 Nov 2022 11:43:48 +0000 [thread overview]
Message-ID: <bug-102217-4-TIY0Fyh3VE@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-102217-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102217
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I also see the ICE on trunk (but not the release branches) so I suspect it's
related to --enable-checking
cocrash.cxx: In function 'Co::Task<Foo> FooC(bool)':
cocrash.cxx:171:1: internal compiler error: in flatten_await_stmt, at
cp/coroutines.cc:2891
171 | }
| ^
0x6a8242 flatten_await_stmt
/home/jwakely/src/gcc/gcc/gcc/cp/coroutines.cc:2891
0x9d7d57 flatten_await_stmt
/home/jwakely/src/gcc/gcc/gcc/cp/coroutines.cc:2920
0x9d7d57 flatten_await_stmt
/home/jwakely/src/gcc/gcc/gcc/cp/coroutines.cc:2920
0x9d9dee maybe_promote_temps
/home/jwakely/src/gcc/gcc/gcc/cp/coroutines.cc:3105
0x9d9dee await_statement_walker
/home/jwakely/src/gcc/gcc/gcc/cp/coroutines.cc:3749
0x14b54d3 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/home/jwakely/src/gcc/gcc/gcc/tree.cc:11270
0x9d9f30 await_statement_walker
/home/jwakely/src/gcc/gcc/gcc/cp/coroutines.cc:3420
0x14b54d3 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/home/jwakely/src/gcc/gcc/gcc/tree.cc:11270
0x9d975f await_statement_walker
/home/jwakely/src/gcc/gcc/gcc/cp/coroutines.cc:3697
0x14b54d3 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/home/jwakely/src/gcc/gcc/gcc/tree.cc:11270
0x9da03c await_statement_walker
/home/jwakely/src/gcc/gcc/gcc/cp/coroutines.cc:3409
0x14b54d3 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/home/jwakely/src/gcc/gcc/gcc/tree.cc:11270
0x9d9f30 await_statement_walker
/home/jwakely/src/gcc/gcc/gcc/cp/coroutines.cc:3420
0x14b54d3 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/home/jwakely/src/gcc/gcc/gcc/tree.cc:11270
0x14b56dd walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/home/jwakely/src/gcc/gcc/gcc/tree.cc:11501
0x9d9f30 await_statement_walker
/home/jwakely/src/gcc/gcc/gcc/cp/coroutines.cc:3420
0x14b54d3 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/home/jwakely/src/gcc/gcc/gcc/tree.cc:11270
0x9da03c await_statement_walker
/home/jwakely/src/gcc/gcc/gcc/cp/coroutines.cc:3409
0x14b54d3 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/home/jwakely/src/gcc/gcc/gcc/tree.cc:11270
0x9db8e5 morph_fn_to_coro(tree_node*, tree_node**, tree_node**)
/home/jwakely/src/gcc/gcc/gcc/cp/coroutines.cc:4496
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.
next prev parent reply other threads:[~2022-11-02 11:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-06 11:01 [Bug c++/102217] New: " max at duempel dot org
2021-11-19 11:49 ` [Bug c++/102217] " max at duempel dot org
2021-11-19 11:52 ` max at duempel dot org
2022-03-04 13:53 ` kux@smart-hmi.de
2022-11-02 11:41 ` redi at gcc dot gnu.org
2022-11-02 11:43 ` redi at gcc dot gnu.org [this message]
2022-11-24 1:59 ` pinskia at gcc dot gnu.org
2024-02-05 14:20 ` redi at gcc dot gnu.org
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=bug-102217-4-TIY0Fyh3VE@http.gcc.gnu.org/bugzilla/ \
--to=gcc-bugzilla@gcc.gnu.org \
--cc=gcc-bugs@gcc.gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).