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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/54924] Warn for std::string constructor with wrong size
Date: Sun, 14 Oct 2012 17:44:00 -0000	[thread overview]
Message-ID: <bug-54924-4-kwgyF2DZw8@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-54924-4@http.gcc.gnu.org/bugzilla/>


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54924

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
           Keywords|                            |diagnostic
   Last reconfirmed|                            |2012-10-14
          Component|c++                         |libstdc++
     Ever Confirmed|0                           |1
           Severity|normal                      |enhancement

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-10-14 17:44:17 UTC ---
(In reply to comment #0)
> In other words, std::string str('0', 100) is undefined behavior.

I assume you mean std::string str("0", 100)

We might be able to use
http://gcc.gnu.org/onlinedocs/gcc/Object-Size-Checking.html


  reply	other threads:[~2012-10-14 17:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-14 17:06 [Bug c++/54924] New: " david at doublewise dot net
2012-10-14 17:44 ` redi at gcc dot gnu.org [this message]
2012-10-14 18:40 ` [Bug libstdc++/54924] " david at doublewise dot net
2021-12-15 17:58 ` msebor at gcc dot gnu.org
2021-12-15 21:30 ` redi at gcc dot gnu.org

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