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RE: Integer overflow in operator new

From: "Dave Korn" <dave dot korn at artimi dot com>
To: "'Andreas Schwab'" <schwab at suse dot de>
Cc: "'Florian Weimer'" <fw at deneb dot enyo dot de>, "'Joe Buck'" <Joe dot Buck at synopsys dot COM>, "'Ross Ridge'" <rridge at csclub dot uwaterloo dot ca>, <gcc at gcc dot gnu dot org>
Date: Sun, 8 Apr 2007 14:05:08 +0100
Subject: RE: Integer overflow in operator new
References: <20070407220535.DC5F4740FC@caffeine.csclub.uwaterloo.ca><20070407223745.GB13276@synopsys.com><87d52fyzfk.fsf@mid.deneb.enyo.de><007201c779d5$8d91dc50$2e08a8c0@CAM.ARTIMI.COM> <jelkh3owfv.fsf@sykes.suse.de>

On 08 April 2007 13:58, Andreas Schwab wrote:

> "Dave Korn" <dave.korn@artimi.com> writes:
> 
>>   Wouldn't using -ftrapv do what we want?
> 
> -ftrapv only modifies signed arithmetic.  Unsigned arithmetic never traps.
> 
> Andreas.

  Meh, I'm an idiot.  Still, maybe we want to create a -futrapv
flag/attribute?

    cheers,
      DaveK
-- 
Can't think of a witty .sigline today....

References:
- Re: Integer overflow in operator new
  - From: Ross Ridge
- Re: Integer overflow in operator new
  - From: Joe Buck
- Re: Integer overflow in operator new
  - From: Florian Weimer
- RE: Integer overflow in operator new
  - From: Dave Korn
- Re: Integer overflow in operator new
  - From: Andreas Schwab

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