Remove noce_mem_write_may_trap_or_fault_p in ifcvt

[Bernd Schmidt]

On 11/23/2015 05:05 PM, Michael Matz wrote:
>
> It only does so under some conditions, amongst them if it sees a
> dominating access to the same memory of the same type (load or store) and
> size.  So it doesn't introduce writes on paths that don't already contain
> a write, and hence are multi-thread safe.  Or, at least, that's the
> intention.

Does it also ensure there's no memory barrier in between?


Bernd