[Bug rtl-optimization/29798] [4.3 Regression] -O2 gives wrong results

["jpr at csc dot fi" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #4 from jpr at csc dot fi  2006-11-11 19:16 -------
Subject: Re:  [4.3 Regression] -O2 gives wrong
 results


Note however that the prints inside the main loop are not needed
to trigger the problem in the oroginal test code. You may freely
remove them and the problem remains. I just added the prints to 
further demonstrate the problem...

Juha
>
>
> ------- Comment #2 from pinskia at gcc dot gnu dot org  2006-11-11 14:11 -------
> If we don't use it when the variable is uninitialized, we get the desired
> result (note how I did not say the correct result as I think this code is
> undefined and what we are getting is allowed by the C standard).
>
>
> -- 
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29798
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29798