[PATCH] PR86844: Fix for store merging

[Jeff Law]

On 08/18/2018 03:20 AM, Eric Botcazou wrote:
>> Eric, didn't your patches explicitely handle this case of a non-constant
>> inbetween?
> 
> Only if there is no overlap at all, otherwise you cannot do things simply.
> 
>> Can you have a look / review here?
> 
> Jakub is probably more qualified to give a definitive opinion, as he wrote 
> check_no_overlap and the bug is orthogonal to my patches since it is present 
> in 8.x; in any case, all transformations are supposed to be covered by the 
> testsuite.
FYI. Jakub is on PTO through the end of this week and will probably be
buried when he returns.

Jeff