RFR: Store checks should run most of the time

[Aleksey Shipilev]

On 09/18/2017 01:33 PM, Roman Kennke wrote:
> Looks good. Except
> - Use the bitfield evac check? The field in SH is likely to go away soon .

I'd rather keep this in separate changeset, as to simplify backports.

> I can check+fix aarch64

Please do.

Thanks,
-Aleksey