* flags.h (flag_renumber_insns): Declare.
	* emit-rtl.c (renumber_insns): Check flag_renumber_insns.  Print
	renumbering table.
	* rtl.h (renumber_insns): Change prototype.
	* toplev.c (flag_renumber_insns): Define.
	(rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.

From-SVN: r30388