toplev.c (-fsched-max): Delete flag.

toplev.c (-fsched-max): Delete flag.

        * toplev.c (-fsched-max): Delete flag.
        (-fsched-interblock-max-blocks,-fsched-interblock-max-insns): Likewise.
        * haifa-sched.c: Remove -fsched-max-N, -fsched-interblock-max-blocks-N
        and -fsched-interblock-max-insns-N support.  Remove INTERBLOCK_DEBUG
        conditionals.
        * haifa-sched.c (find_rgns): Correctly handle reducible loops with
        inner loops which are not reducible.

From-SVN: r19586