* rtl.h (local_alloc): Returns an integer now.

        * local-alloc.c (recorded_label_ref): New file scoped variable.
        (local_alloc): Initialize recorded_label_ref to zero.  Return its
        value when local allocation has completed.
        (update_equiv_regs); If we create an equivalence for a LABEL_REF,
        set recorded_label_ref.
        * toplev.c (rest_of_compilation): Run the loop optimizer after
        register allocation and reloading if needed.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@26324 138bc75d-0d04-0410-961f-82ee72b054a4

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