[PATCH, combine] Try REG_EQUAL for nonzero_bits

[Thomas Preud'homme]

> From: gcc-patches-owner@gcc.gnu.org [mailto:gcc-patches-
> owner@gcc.gnu.org] On Behalf Of Thomas Preud'homme
> 
> Based on my understanding of your answer quoted above, I'll commit
> it as is, despite not having been able to come up with a testcase. I'll
> wait tomorrow to do so though in case you changed your mind about it.

Committed.

Best regards,

Thomas