Re: c/7661: gcc-3.0 optimization bug on debian GNULinux on x86 with very simple program

[Andrew Pinski <pinskia at physics dot uc dot edu>]

The following reply was made to PR c/7661; it has been noted by GNATS.

From: Andrew Pinski <pinskia@physics.uc.edu>
To: Thomas Deselaers <thomas@deselaers.de>
Cc: gcc-gnats@gcc.gnu.org, debian-gcc@lists.debian.org
Subject: Re: c/7661: gcc-3.0 optimization bug on debian GNULinux on x86 with very simple program
Date: Tue, 20 Aug 2002 13:26:42 -0400

 I think this program should not terminate at all because i will 
 always be one greater than oldi.
 I think gcc3.0 has a problem with no optimization then but since 
 there is later version that works gcc 3.1.1, upgrade.
 
 Thanks,
 Andrew Pinski
 
 trace
 i    oldi
 0    0
 1    0    check here
 1    1
 2    1    check
 2    2
    .
    .
    .
 
 
 On Tuesday, August 20, 2002, at 01:11 , Thomas Deselaers wrote:
 
 > main() {
 >       int i=0;
 >       int oldi=0;;
 >       while(++i>oldi) oldi=i;
 >       return oldi;
 > }