Bug in GCC 2.95.2

[Mumit Khan]

On Mon, 13 Dec 1999, Robert Ruehlmann wrote:

> I think I've found a bug in gcc 2.95.2 for Intel x86 (tested with DJGPP).
> 
> When optimized with -O2 the following small sample program goes into an
> infinite loop.  Debugging with gdb shows strange behaviour like
> modifications of the 'size' variable.
> 
> <-- cut here -->
> static void bug(int size, int tries)
> {
>     int i;
>     int num = 0;
> 
>     while (num < size)
>     {
>         for (i = 1; i < tries; i++) num++;
>     }
> }
> 
> int main()
> {
>     bug(5, 10);
>     return 0;
> }
> <-- cut here -->

Strength reduction bug perhaps?. See if -O2 -fno-strength-reduce works
(I have something similar in my code that was causing this problem as
well, and I had to resort to -fno-strength-reduce). Happens on both 
gcc-2.95.2 and CVS/mainline.

Regards,
Mumit