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Re: signed is undefined and has been since 1992 (in GCC)

From: Robert Dewar <dewar at adacore dot com>
To: Gabriel Dos Reis <gdr at integrable-solutions dot net>
Cc: Joe Buck <Joe dot Buck at synopsys dot COM>, Olivier Galibert <galibert at pobox dot com>,Andrew Haley <aph at redhat dot com>, Dave Korn <dave dot korn at artimi dot com>, 'Andrew Pinski' <pinskia at physics dot uc dot edu>,'gcc mailing list' <gcc at gcc dot gnu dot org>
Date: Tue, 28 Jun 2005 14:52:59 -0400
Subject: Re: signed is undefined and has been since 1992 (in GCC)
References: <20050628142441.GA52889@dspnet.fr.eu.org> <SERRANOQzV7r6pVu4Jb0000024f@SERRANO.CAM.ARTIMI.COM> <20050628145148.GD52889@dspnet.fr.eu.org> <17089.26325.169281.749633@zapata.pink> <20050628171752.GE52889@dspnet.fr.eu.org> <20050628175039.GB9783@synopsys.com> <m3vf3ygx7h.fsf@uniton.integrable-solutions.net>

Gabriel Dos Reis wrote:

But the compiler miscompiled the Unix kernel -- which, apart from has
history intermixed with the C language design, was relying on
"undocumented" aspect of "undefined behaviour".  Nobdoy was willing to
buy the compiler.  The company ran out of business.


Could you please give a proper reference on this, it would be interesting
to know that this is a real story, and not just legend :-)

References:
- Re: signed is undefined and has been since 1992 (in GCC)
  - From: Olivier Galibert
- RE: signed is undefined and has been since 1992 (in GCC)
  - From: Dave Korn
- Re: signed is undefined and has been since 1992 (in GCC)
  - From: Olivier Galibert
- Re: signed is undefined and has been since 1992 (in GCC)
  - From: Andrew Haley
- Re: signed is undefined and has been since 1992 (in GCC)
  - From: Olivier Galibert
- Re: signed is undefined and has been since 1992 (in GCC)
  - From: Joe Buck
- Re: signed is undefined and has been since 1992 (in GCC)
  - From: Gabriel Dos Reis

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