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Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."

From: Andrew Pinski <pinskia at gmail dot com>
To: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>
Cc: iant at google dot com, autoconf-patches at gnu dot org, bug-gnulib at gnu dot org, gcc at gcc dot gnu dot org
Date: Mon, 01 Jan 2007 19:21:11 -0800
Subject: Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
References: <87fybbyq27.fsf@penguin.cs.ucla.edu> <20061220123349.GE7947@iam.uni-bonn.de> <emc3jc$eap$1@sea.gmane.org> <87mz57xjlf.fsf@penguin.cs.ucla.edu> <m3odpmsnlc.fsf@localhost.localdomain> <45996521.3090405@codesourcery.com> <87tzza49iz.fsf@penguin.cs.ucla.edu> <4aca3dc20701011700k62de98b2udff5890dad4f0c79@mail.gmail.com> <10701020151.AA22534@vlsi1.ultra.nyu.edu> <m3zm92qio4.fsf@localhost.localdomain> <10701020321.AA23469@vlsi1.ultra.nyu.edu>

On Mon, 2007-01-01 at 22:21 -0500, Richard Kenner wrote:
> 
> Of course, this is an example where either the programmer is doing
> something
> very silly or else is expecting overflow and depending on wrap
> semantics.

or it comes from inlining of something like get() which has bounds
checking.

-- Pinski

References:
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
  - From: Paul Eggert
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
  - From: Daniel Berlin
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
  - From: Richard Kenner
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
  - From: Ian Lance Taylor
- Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
  - From: Richard Kenner

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