* config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
        * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
        * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.

        * frame.h (frame_state): Revert last change.
        * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
        * libgcc2.c (throw_helper): Revert last change.

From-SVN: r32705