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Re: Another case of DCE deleting live code

From: Richard Henderson <rth at redhat dot com>
To: Diego Novillo <dnovillo at redhat dot com>
Cc: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
Date: Tue, 9 Nov 2004 13:44:53 -0800
Subject: Re: Another case of DCE deleting live code
References: <10411012321.AA25650@vlsi1.ultra.nyu.edu> <1100022632.31924.84.camel@localhost.localdomain>

On Tue, Nov 09, 2004 at 12:50:32PM -0500, Diego Novillo wrote:
> There's not much I can do about this.  Somebody is lying to the alias
> analyzer about the types.

Hmm.  I wonder how early the alias set for FRAME is getting set?

If it is the case that it's getting set before the structure is
fully constructed, then this would be a bug in tree-nested.c and
not in the ada front end.

r~

References:
- Another case of DCE deleting live code
  - From: Richard Kenner
- Re: Another case of DCE deleting live code
  - From: Diego Novillo

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