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From: "iains at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/100850] [coroutine] Wrong addresses of variables captured by reference into lambda co-routines.
Date: Wed, 02 Jun 2021 09:51:28 +0000 [thread overview]
Message-ID: <bug-100850-4-YMwUIG3u94@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-100850-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100850
--- Comment #4 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Vlad from comment #3)
> My bad. It's actually a UB. The lambda lifetime is just over by the moment
> of resumption of the co-routine.
(oddly enough) we were discussing thia in a BSI meeting yesterday, perhaps the
compiler can do more to warn you if you are making a "dangerous" use of
reference.
The standard itself has a warning about it - but most people don't read the
standard, of course.
Can this be closed then?
next prev parent reply other threads:[~2021-06-02 9:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-01 8:37 [Bug c++/100850] New: " vsolontsov at volanttrading dot com
2021-06-01 8:39 ` [Bug c++/100850] " vsolontsov at volanttrading dot com
2021-06-01 8:41 ` vsolontsov at volanttrading dot com
2021-06-01 16:18 ` vsolontsov at volanttrading dot com
2021-06-02 9:51 ` iains at gcc dot gnu.org [this message]
2021-06-02 10:14 ` vsolontsov at volanttrading dot com
2021-06-02 10:20 ` iains at gcc dot gnu.org
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