* dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
	with more than three size ranges.
	* flow.c (sbitmap_copy): Use bcopy to copy bitmap.
	* rtl.c (mode_name): Add a null string at the end of the array.
	(mode_wider_mode): Change type to unsigned char.
	(mode_mask_array): New variable.
 	(init_rtl): Update for mode_wider_mode type change.
	* rtl.h (mode_wider_mode): Change type to unsigned char.
	(mode_mask_array): Declare.
	(GET_MODE_MASK): Use mode_mask_array.

From-SVN: r22717