Bug#435546: gcc-4.1: Wrong loop code generation using O2

["Javier Cabezas Rodríguez" <javier.cabezas@gmail.com>]

On 8/1/07, Bastian Blank <waldi@debian.org> wrote:
> On Wed, Aug 01, 2007 at 04:16:13PM +0200, Javier Cabezas Rodríguez wrote:
> > void do_pin_processes(int pids[], int n, char pin)
> > {
> >   int i;
> >   for (i = 0; i < n; i++) {
> >     printf("%d\n", i);
> >     do_pin_process(pids[i], pin);
> >   }
> > }
> >
> > When I compile the attached program with the following flags the
> > compiler generates a infinite loop in the function do_pin_processes (the
> > i variable is not incremented):
>
> Please provide a _minimal_ and compiling example which emits this
> behaviour. And please use -Wall to compile the source, it contains
> errors.

If I remove the warnings, the generated code is correct.

Javi