[llvm] r278991 - Fix reverse to work on const rbegin()/rend().

[Duncan P. N. Exon Smith via llvm-commits]

> On 2016-Aug-17, at 15:57, Pete Cooper <peter_cooper at apple.com> wrote:
> 
> 
>> On Aug 17, 2016, at 3:55 PM, Duncan P. N. Exon Smith <dexonsmith at apple.com> wrote:
>> 
>> Do you need to hook this up to the unit test somehow?
> Yeah… that would be a good idea :)
> 
> I’m running make check again and will commit it in a minute.  Thanks for the catch.
> 

Thanks for the fixes!