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From: loic <[EMAIL PROTECTED]>
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: GCC failed to compile this programme
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Date: Sat, 14 Jul 2001 13:01:56 +0200
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Package: base
Version: N/A; reported 2001-07-14
Severity: important
The programme is:
#include<stdio.h>
void retenue_f(unsigned long a, unsigned long b, unsigned long
c)
{
unsigned long f;
unsigned long long tmp;
printf("%lu, %lu, %lu\n", a, b, c);
tmp = c+b;
f = tmp%10;
tmp = (unsigned long long)f + a;
while(tmp >= 10)
;
}
int main(void)
{
unsigned long r=1, s=2, t=3;
retenue_f(r, s, t);
return 0;
}
--------------------------
When you compile it with gcc -Wall -O2 -o bug bug.c and then when you
execute it, you have 1, 0, 2 displayed instead of 1, 2, 3. That mean
the b argument of the function retenue_f is 0 instead of 2.
I can't reduce the programme more to obtain the bug, so all the ligne
were required. Note that the -O2 flag is also required.
I've tell some pepole to try this programme and they obtain the bug
too. Some of them use woody.
PS:please excuse my bad english speaking cause I'm french man.
-- System Information
Debian Release: 2.2
Architecture: i386
Kernel: Linux fridu 2.2.18pre21 #4 Fri Mar 30 17:55:41 CEST 2001 i686
---------------------------------------
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From: Matthias Klose <[EMAIL PROTECTED]>
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Date: Sat, 21 Jul 2001 13:18:36 +0200
To: [EMAIL PROTECTED]
Subject: [EMAIL PROTECTED]: Bug#105223: GCC failed to compile this programme]
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Anthony Towns writes:
> reassign 105223 gcc
> thanks
> -- System Information
> Debian Release: 2.2
> Architecture: i386
> Kernel: Linux fridu 2.2.18pre21 #4 Fri Mar 30 17:55:41 CEST 2001 i686
this was a bug in gcc-2.95.2, which is fixed in Debian's current
unstable gcc packages.
