Another cprop trap_if fix, PR79125

[Jeff Law]

On 01/20/2017 05:24 AM, Bernd Schmidt wrote:
> This is essentially the same patch I sent for the previous instance of
> this problem, but this time applied to local_cprop_pass. Bootstrapped
> and tested on x86_64-linux, and it seems to fix the testcase with a ppc
> cross. Ok?
>
>
> Bernd
>
> pr79125.diff
>
>
> 	PR rtl-optimization/79125
> 	* cprop.c (local_cprop_pass): Handle cases where we make an
> 	unconditional trap.
>
> 	PR rtl-optimization/79125
> 	* gcc.dg/torture/pr79125.c: New test.
I did a bootstrap and regression test on ppc64-linux and installed on 
the trunk.

Thanks,
JEff