* config/i386/i386.c (ix86_emit_restore_sse_regs_using_mov): Remove
	unused insn variable.
	* genemit.c (output_peephole2_scratches): Only declare and initialize
	_regs_allocated if it will be ever used.
	* cfgloopmanip.c (create_empty_if_region_on_edge): Remove unused
	succ_bb variable.
	(create_empty_loop_on_edge): Remove unused freq and cnt variables.
	* unwind-c.c (PERSONALITY_FUNCTION): Remove unused action_record
	variable.

From-SVN: r154701