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Re: [PATCH] Fix PR53031


On Sun, Apr 22, 2012 at 10:14 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Thu, Apr 19, 2012 at 5:47 AM, Richard Guenther <rguenther@suse.de> wrote:
>>
>> This fixes PR53031 and reverts back to using the number of latch
>> iterations in VRP when computing ranges for induction variables.
>> Now after ira_allocno_object_iter_cond is fixed this no longer
>> breaks bootstrap.
>>
>> Bootstrapped on x86_64-unknown-linux-gnu, testing in progress.
>>
>> Richard.
>>
>> 2012-04-19 ?Richard Guenther ?<rguenther@suse.de>
>>
>> ? ? ? ?PR tree-optimization/53031
>> ? ? ? ?* tree-vrp.c (adjust_range_with_scev): Revert back to
>> ? ? ? ?using max_loop_iterations.
>>
>
> This caused:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53073
>

and also

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53046

-- 
H.J.


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