[PATCH 2/4] regrename: Don't rename the dest of a REG_CFA_REGISTER (PR85645)

[Eric Botcazou]

> 2018-05-08  Segher Boessenkool  <segher@kernel.crashing.org>
> 
> 	PR rtl-optimization/85645
> 	* regrename.c (build_def_use): Also kill the chains that include the
> 	destination of a REG_CFA_REGISTER note.

OK, thanks.

-- 
Eric Botcazou