------- Comment #34 from pinskia at physics dot uc dot edu 2006-09-26 04:56
-------
Subject: Re: [4.0/4.1/4.2 Regression] alias
bug with cast and call clobbered
On Tue, 2006-09-26 at 04:44 +0000, acahalan at gmail dot com wrote:
>
> Although it wouldn't work for the example code, extending the aliasing
> behavior
> of (char*) to (void*) would fix the problem for LOTS of code out in the wild.
> People normally use a (void*) when they want a generic pointer type to play
> casting games with. This is a case where the C standard is very far from the
> reality of how people write code. The example code is fairly unusual.
But C aliasing is not based on pointers but on accesses so it is wrong
to it that way.
-- Pinski
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28778
