invoke.texi (-frename-registers): Drop -fpeel-loops from list of flags impliying the register renaming.


	* doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
	of flags impliying the register renaming.
	* toplev.c (process_options): Do not imply flag_rename_registers with
	loop peeling.

From-SVN: r236966