* expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
        expression.
        * stmt.c (expand_end_case): Likewise.
        * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
        * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
        * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.

From-SVN: r17155