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Re: try/finally in GNU C

From: "Steven Bosscher" <stevenb dot gcc at gmail dot com>
To: "Mike Stump" <mrs at apple dot com>
Cc: "Andrew Pinski" <pinskia at physics dot uc dot edu>, "Gabriel Dos Reis" <gdr at cs dot tamu dot edu>, "Aldy Hernandez" <aldyh at redhat dot com>, gcc at gcc dot gnu dot org
Date: Fri, 16 Jun 2006 08:15:33 +0200
Subject: Re: try/finally in GNU C
References: <200606152347.k5FNlYns005553@earth.phy.uc.edu> <36AD5B73-0913-4710-B602-E1323624E349@apple.com>

On 6/16/06, Mike Stump <mrs@apple.com> wrote:

foo() {
   int i = 99;
   __builtin_setjmp(A)
   if (i) {
     print i
     --i;
     __builtin_longjump(A);
   }

It used to not infinite loop, now it does.


We had an example just like this on IRC only a few weeks ago. ISTR it
was decided that this triggers undefined behavior by C99 7.13.2.1 sub
3.

Gr.
Steven

Follow-Ups:
- Re: try/finally in GNU C
  - From: Paolo Bonzini
- Re: try/finally in GNU C
  - From: Gabriel Dos Reis

References:
- Re: try/finally in GNU C
  - From: Andrew Pinski
- Re: try/finally in GNU C
  - From: Mike Stump

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