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Re: [PATCH] Fix PR37284

From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
To: bonzini at gnu dot org
Cc: gcc-patches at gcc dot gnu dot org, rguenther at suse dot de
Date: Thu, 18 Sep 2008 11:54:37 EDT
Subject: Re: [PATCH] Fix PR37284
References: <alpine.LNX.1.10.0809181450120.14563@zhemvz.fhfr.qr> <48D26873.3080109@gnu.org>

> Given your worries expressed in the PR:
> 
> > As this removal fixes up DECL_POINTER_ALIAS_SET this may even cause
> > wrong code to be emitted during RTL optimization.
> 
> ... isn't it more future-proof to hardcode -fno-strict-aliasing when not
> optimizing?

The downside of that is that it might increase the chances that some
warnings will only occur when optimizing.  Tracking what alias set
something is in may be valuable for diagnostic purposes even if we aren't
optimizing (and hence not using it).

References:
- [PATCH] Fix PR37284
  - From: Richard Guenther
- Re: [PATCH] Fix PR37284
  - From: Paolo Bonzini

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