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From: "navin dot kumar at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/45221] missed optimization with multiple bases and casting
Date: Sat, 07 Aug 2010 16:23:00 -0000	[thread overview]
Message-ID: <20100807162259.28978.qmail@sourceware.org> (raw)
In-Reply-To: <bug-45221-17658@http.gcc.gnu.org/bugzilla/>



------- Comment #7 from navin dot kumar at gmail dot com  2010-08-07 16:22 -------
Richard, if you can't derive non-NULL-ness from X& y = *x, how do foo3 and fooB
avoid the null check?


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45221


  parent reply	other threads:[~2010-08-07 16:23 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-07  1:28 [Bug c++/45221] New: missed optimization on casting pointers even under -O3 navin dot kumar at gmail dot com
2010-08-07  1:29 ` [Bug c++/45221] " navin dot kumar at gmail dot com
2010-08-07  1:33 ` [Bug c++/45221] missed optimization with multiple bases and up casting and dereferencing pinskia at gcc dot gnu dot org
2010-08-07  2:27 ` navin dot kumar at gmail dot com
2010-08-07 10:37 ` [Bug c++/45221] missed optimization with multiple bases and casting rguenth at gcc dot gnu dot org
2010-08-07 15:26 ` navin dot kumar at gmail dot com
2010-08-07 16:19 ` rguenth at gcc dot gnu dot org
2010-08-07 16:23 ` navin dot kumar at gmail dot com [this message]
2010-08-07 16:25 ` rguenth at gcc dot gnu dot org
2010-08-07 16:27 ` rguenth at gcc dot gnu dot org
2010-08-07 17:28 ` navin dot kumar at gmail dot com
     [not found] <bug-45221-4@http.gcc.gnu.org/bugzilla/>
2011-05-17 15:49 ` navin.kumar at gmail dot com
2023-05-06 18:14 ` pinskia at gcc dot gnu.org

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