Re: Trying to backport alias fix to 4.2

["Ned Gill" <thomas dot gill at csr dot com>]

On Tue, 18 Aug 2009 10:14:37 +0100, Richard Guenther  
<richard.guenther@gmail.com> wrote:

> It sounds like a bug in points-to analysis where it doesn't correctly
> handle return values of pure/const functions.  I would just
> add a constraint from anything to the lhs of the call to fix it.

Thanks for the quick reply.  Could you expand a little - should I be  
looking at tree-ssa-alias.c or tree-ssa-pre.c?  I'm not really familiar  
with this part of the compiler.  What do you mean by "constraint" in this  
context?

Thanks,
Ned.

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