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Re: TREE_UNCHANGING?

From: Richard Henderson <rth at redhat dot com>
To: Jason Merrill <jason at redhat dot com>
Cc: gcc at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
Date: Fri, 10 May 2002 10:48:21 -0700
Subject: Re: TREE_UNCHANGING?
References: <wvld6w6x0go.fsf@prospero.cambridge.redhat.com> <20020508132651.C14996@redhat.com> <wvl3cx2uwjj.fsf@prospero.cambridge.redhat.com> <wvlznz9ouc4.fsf@prospero.cambridge.redhat.com> <20020509150500.A15749@redhat.com> <wvlit5wq4lz.fsf@prospero.cambridge.redhat.com> <wvl7kmcp7y9.fsf@prospero.cambridge.redhat.com> <wvlhelgnfue.fsf@prospero.cambridge.redhat.com>

On Fri, May 10, 2002 at 05:10:49PM +0100, Jason Merrill wrote:
> !    Alias set zero is implicitly a superset of all non-restricted alias
> !    sets. 

This seems dangerous.  Alias set zero is also the "oops, our 
legacy optimizer lost track of what we were doing".


r~

References:
- TREE_UNCHANGING?
  - From: Jason Merrill
- Re: TREE_UNCHANGING?
  - From: Richard Henderson
- Re: TREE_UNCHANGING?
  - From: Jason Merrill
- Re: TREE_UNCHANGING?
  - From: Jason Merrill
- Re: TREE_UNCHANGING?
  - From: Richard Henderson
- Re: TREE_UNCHANGING?
  - From: Jason Merrill
- Re: TREE_UNCHANGING?
  - From: Jason Merrill
- Re: TREE_UNCHANGING?
  - From: Jason Merrill

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