RFR 8233941: adlc should not generate Pipeline_Use_Cycle_Mask::operator=

[Florian Weimer]

* Tobias Hartmann:

> On 12.11.19 09:05, Tobias Hartmann wrote:
>> Looks good to me too. I'll run some testing and sponsor if everything passes.
>
> All tests passed. Pushed.

Thanks!

Florian