2015-01-09  Tom de Vries  <tom@codesourcery.com>

	PR rtl-optimization/64539
	* regcprop.c (kill_clobbered_values): Factor out of ...
	(copyprop_hardreg_forward_1): ... here.  Use kill_clobbered_values
	instead of note_stores with kill_clobbered_value.

From-SVN: r219400