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Re: Fix PR 23192

From: Andrew Pinski <pinskia at physics dot uc dot edu>
To: Diego Novillo <dnovillo at redhat dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Tue, 2 Aug 2005 10:05:41 -0400
Subject: Re: Fix PR 23192
References: <20050802140025.GB31969@topo.toronto.redhat.com>

On Aug 2, 2005, at 10:00 AM, Diego Novillo wrote:

We were not computing points-to information correctly when the
code takes the address of anything other than a VAR_DECL.

	PR 23192
	* tree-ssa-alias.c (add_pointed_to_var): If VALUE is of the
	form &(*PTR), take points-to information from PTR.
	Give up if VALUE by marking PTR as pointing anywhere if VALUE
	is not recognized.

testsuite/ChangeLog

	PR 23192
	* gcc.dg/pr23192.c: New test.


This test will fail on 64bit targets with an warning that a pointer is
converted to an integer with a smaller size and possibly at runtime also
for the same reason as the warning.

Thanks,
Andrew Pinski

Follow-Ups:
- Re: Fix PR 23192
  - From: Diego Novillo

References:
- Fix PR 23192
  - From: Diego Novillo

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