[Gfortran, Patch] PR12456 - Optimize single character.

[Andrew Pinski]

>>> I don't mind Andrew approving patches, I'm just wondering if you can
>> actually
>>> verify that your patch has the desired effect, e.g. by scanning the
>> assembler
>>> output for the string library routines, and making sure that they're 
>>> not
>>> called.
>>>
>>
>> Yes, I verified.
>>
> Sorry, Tobi. I mistook your suggestion. Now the attached file is a new 
> test
> case.
> Regression tested on i686-pc-linux-gnu.
>
> ! { dg-do run }
> ! { dg-options "-fdump-tree-original" }
> ! PR12456 - Optimize string(k:k) as single character.

As a testcase this is good, let me look back over your patch to double 
check it.


Thanks,
Andrew Pinski