public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "hpwxf at haveneer dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/100290] join_view::_Iterator::operator++ copies _M_parent->_M_inner when _S_ref_is_glvalue is false
Date: Tue, 27 Apr 2021 13:20:18 +0000	[thread overview]
Message-ID: <bug-100290-4-NeGgaYQFsK@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-100290-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100290

--- Comment #1 from Pascal HAVÉ <hpwxf at haveneer dot com> ---
Created attachment 50688
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50688&action=edit
Minimal reproducer with an assertion

Minimal reproducer to show the abnormal behavior.

The assertion 
  assert(std::ranges::next(v.begin()) == v.end());
and fails and should be OK.

Any range-based for loop on it will go to an infinite loop.

  reply	other threads:[~2021-04-27 13:20 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-27 12:49 [Bug libstdc++/100290] New: " rs2740 at gmail dot com
2021-04-27 13:20 ` hpwxf at haveneer dot com [this message]
2021-04-27 13:37 ` [Bug libstdc++/100290] " ppalka at gcc dot gnu.org
2021-04-27 18:08 ` cvs-commit at gcc dot gnu.org
2021-04-27 21:24 ` cvs-commit at gcc dot gnu.org
2021-05-03 20:10 ` cvs-commit at gcc dot gnu.org
2021-05-03 20:10 ` ppalka 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-100290-4-NeGgaYQFsK@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).