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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/61597] Unexpected behavior at runtime
Date: Wed, 25 Jun 2014 10:12:00 -0000 [thread overview]
Message-ID: <bug-61597-4-dTHbxGWV85@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-61597-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61597
--- Comment #12 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #11)
> decltype(iter += i) is Iter& so you return a reference to a temporary which
> goes out of scope
Sorry, temporary is the wrong word - a reference to a local variable, which
goes out of scope. It's undefined behaviour.
next prev parent reply other threads:[~2014-06-25 10:12 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-24 17:18 [Bug c++/61597] New: " adrien.hamelin+gcc at gmail dot com
2014-06-24 18:00 ` [Bug c++/61597] " adrien.hamelin+gcc at gmail dot com
2014-06-25 6:47 ` adrien.hamelin+gcc at gmail dot com
2014-06-25 6:57 ` trippels at gcc dot gnu.org
2014-06-25 8:22 ` adrien.hamelin+gcc at gmail dot com
2014-06-25 8:36 ` adrien.hamelin+gcc at gmail dot com
2014-06-25 10:03 ` redi at gcc dot gnu.org
2014-06-25 10:12 ` redi at gcc dot gnu.org [this message]
2014-06-25 11:30 ` adrien.hamelin+gcc at gmail dot com
2014-06-25 12:16 ` redi at gcc dot gnu.org
2014-06-25 13:00 ` glisse at gcc dot gnu.org
2014-06-25 13:08 ` redi at gcc dot gnu.org
2014-06-25 13:23 ` glisse at gcc dot gnu.org
2014-06-25 16:56 ` manu at gcc dot gnu.org
2014-06-25 20:31 ` glisse at gcc dot gnu.org
2023-01-31 3:35 ` pinskia at gcc dot gnu.org
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