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Re: BUG: GCC-4.4.x changes the function frame on some functions
- From: Linus Torvalds <torvalds at linux-foundation dot org>
- To: Andrew Haley <aph at redhat dot com>
- Cc: Richard Guenther <richard dot guenther at gmail dot com>, rostedt at goodmis dot org, Thomas Gleixner <tglx at linutronix dot de>, Ingo Molnar <mingo at elte dot hu>, "H. Peter Anvin" <hpa at zytor dot com>, LKML <linux-kernel at vger dot kernel dot org>, Andrew Morton <akpm at linux-foundation dot org>, Heiko Carstens <heiko dot carstens at de dot ibm dot com>, feng dot tang at intel dot com, Fr??d??ric Weisbecker <fweisbec at gmail dot com>, Peter Zijlstra <peterz at infradead dot org>, jakub at redhat dot com, gcc at gcc dot gnu dot org
- Date: Thu, 19 Nov 2009 10:41:09 -0800 (PST)
- Subject: Re: BUG: GCC-4.4.x changes the function frame on some functions
- References: <alpine.LFD.2.00.0911181933540.24119@localhost.localdomain> <tip-887a29f59b93cf54e21814869a4ab6e80b6fa623@git.kernel.org> <20091119072040.GA23579@elte.hu> <alpine.LFD.2.00.0911191053390.24119@localhost.localdomain> <alpine.LFD.2.00.0911191423190.24119@localhost.localdomain> <alpine.LFD.2.00.0911191607440.24119@localhost.localdomain> <alpine.LFD.2.00.0911190934070.2793@localhost.localdomain> <1258653562.22249.682.camel@gandalf.stny.rr.com> <84fc9c000911191003t244eb864o3d5b355ab5485f@mail.gmail.com> <4B058CCD.8050605@redhat.com>
On Thu, 19 Nov 2009, Andrew Haley wrote:
>
> I've got all that off-list. I found the cause, and replied in another
> email. It's not a bug.
Oh Gods, are we back to gcc people saying "sure, we do stupid things, but
it's allowed, so we don't consider it a bug because it doesn't matter that
real people care about real life, we only care about some paper, and real
life doesn't matter, if it's 'undefined' we can make our idiotic choices
regardless of what people need, and regardless of whether it actually
generates better code or not".
Linus