[PATCH] Fix combiner from accessing or writing out of bounds SET_N_REGS (PR other/63504)

[H.J. Lu]

On Mon, Feb 2, 2015 at 11:20 PM, Jakub Jelinek <jakub@redhat.com> wrote:
> On Mon, Feb 02, 2015 at 05:26:23PM -0600, Segher Boessenkool wrote:
>> On Mon, Feb 02, 2015 at 07:54:46PM +0100, Jakub Jelinek wrote:
>> > +/* Highest pseudo for which we track REG_N_SETS.  */
>> > +static unsigned int reg_n_sets_max;
>>
>> One more than the highest reg num, actually.
>
> Changed in my copy to
> /* One plus the highest pseudo for which we track REG_N_SETS.  */
>
> Ok with that change?
>
>         Jakub

This may have caused:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64921


-- 
H.J.