[Bug c/40172] [4.5 Regression] Revision 147596 breaks bootstrap
meissner at linux dot vnet dot ibm dot com
gcc-bugzilla@gcc.gnu.org
Tue May 19 02:33:00 GMT 2009
------- Comment #23 from meissner at linux dot vnet dot ibm dot com 2009-05-19 02:33 -------
Subject: Re: [4.5 Regression] Revision 147596 breaks bootstrap
On Tue, May 19, 2009 at 12:38:08AM -0000, hjl dot tools at gmail dot com wrote:
>
>
> ------- Comment #22 from hjl dot tools at gmail dot com 2009-05-19 00:38 -------
> Another patch is posted at
>
> http://gcc.gnu.org/ml/gcc-patches/2009-05/msg01187.html
>
>
> --
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40172
>
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I still feel that if this patch is put in, we eventually will have the same
discussion, as the compiler gets smarter about flow control and propigation,
since semantically:
if (test1)
{
if (test2)
{
/* ... */
}
}
is the same as:
if (test1 && test2)
{
/* ... */
}
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40172
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