* jump.c (squeeze_notes): Take parms by reference. Handle END being

    * jump.c (squeeze_notes): Take parms by reference.  Handle END being
        a squeezable note.
        * rtl.h: Adjust.
        * ifcvt.c (dead_or_predicable): Adjust.
        * loop.c (find_and_verify_loops): Adjust.
        * stmt.c (expand_end_case): Adjust.
        * flow.c (merge_blocks_move_successor_nojumps): Adjust.  Modify the
        head and end insn pointers in the basic block, not just local copies.
        (merge_blocks_move_predecessor_nojumps): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45107 138bc75d-0d04-0410-961f-82ee72b054a4