* harg-reg-set.h (reg_class_names): Prototype global array.
	* regclass.c (reg_class_names): Declare here and initialize to
	REG_CLASS_NAMES.
	(dump_regclass): Remove local declaration of reg_class_names.
	(regclass): Likewise.
	* cfg.c (dump_flow_info): Likewise.
	* ra-debug.c (reg_class_names): Likewise.
	* regrename.c (reg_class_names): Likewise.
	* reload.c (reg_class_names): Likewise.
	* reload1.c (spill_failure): Likewise.
	* config/m68hc11/m68hc11.c (reg_class_names): Likewise.

From-SVN: r93696