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Re: [Bug ada/26348] [4.2 Regression] ICE compiling a-textio.adb at -O1 -ftree-vrp

From: Jeffrey A Law <law at redhat dot com>
To: gcc-patches at gcc dot gnu dot org, gcc-bugzilla at gcc dot gnu dot org
Date: Tue, 28 Feb 2006 09:53:07 -0700
Subject: Re: [Bug ada/26348] [4.2 Regression] ICE compiling a-textio.adb at -O1 -ftree-vrp
References: <bug-26348-7210@http.gcc.gnu.org/bugzilla/> <20060219001646.5819.qmail@sourceware.org>
Reply-to: law at redhat dot com

On Sun, 2006-02-19 at 00:16 +0000, law at redhat dot com wrote:
> 
> ------- Comment #8 from law at redhat dot com  2006-02-19 00:16 -------
> Subject: Re:  [4.2 Regression] ICE compiling a-textio.adb at
>         -O1 -ftree-vrp
This patch works around the problems with Ada's setting of
TYPE_MIN_VALUE/TYPE_MAX_VALUE and allows Ada to bootstrap.
I still think Ada is abusing our type system, but I'm in
no position to fix the Ada front-end.

There's still some problems in the acats testsuite that I
suspect are related to the VRP improvements.  I'll be looking
at those next.

This patch bootstraps and has been regression tested.  Again,
there are Ada testsuite failures related to the VRP improvements
which are neither fixed nor made worse by this patch.  I'm
going to suggest we keep this PR open for now.

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