------- Additional Comments From dnovillo at redhat dot com  2005-07-27 20:38 
-------
Subject: Re:  aliasing information in gcc.dg/tree-ssa/20030807-7.c should be 
fixed properly

On Wed, Jul 27, 2005 at 08:34:10PM -0000, pinskia at gcc dot gnu dot org wrote:

> Isn't this a simple fix to may_alias_p saying that PARM_DECLs
> cannot alias local variables?
>
It isn't.  Only a default_def of a PARM_DECL is guaranteed not to
point into any local.  may_alias_p is flow-insensitive, so it can
only return answers that apply to *all* the SSA names for a DECL.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23086

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