PR 37815
        * emit-rtl.c (get_spill_slot_decl): Export.
        * emit-rtl.h (get_spill_slot_decl): Declare.
        * var-tracking.c (vt_add_function_parameters): Relax assertion
        on the contents of MEM_EXPR in a PARM_DECL to include a spill slot.

From-SVN: r141278