PR debug/59418
	* dwarf2cfi.c (dwarf2out_frame_debug_cfa_offset): Fix comment and tidy.
	(dwarf2out_frame_debug_cfa_restore): Handle TARGET_DWARF_REGISTER_SPAN.
	(dwarf2out_frame_debug_expr): Tidy.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206084 138bc75d-0d04-0410-961f-82ee72b054a4