[PATCH, rtl] Fix PR84878: Segmentation fault in add_cross_iteration_register_deps

Peter Bergner bergner@vnet.ibm.com
Wed Apr 4 15:43:00 GMT 2018


On 4/4/18 2:15 AM, Richard Biener wrote:
> On Tue, 3 Apr 2018, Peter Bergner wrote:
> 
>> On 4/3/18 1:40 PM, H.J. Lu wrote:
>>> On Tue, Apr 3, 2018 at 11:36 AM, Peter Bergner <bergner@vnet.ibm.com> wrote:
>>>> gcc/testsuite/
>>>>         PR rtl-optimization/84878
>>>>         * gcc.dg/pr84878.c: New test.
>>>
>>> Wrong test filename.
>>
>> Ooops, thanks for spotting that!  Will fix.
> 
> Patch is OK.

Ok, committed to trunk.  Thanks.

Nobody mentioned if this was a regression or not, so I did some testing
and it ICEs on GCC 7 but not on GCC 6.  Is it ok to back port to GCC 7
assuming bootstrap and regtesting are clean?

Peter




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