* ehopt.c (get_cie_info): Rename from eh_frame_code_alignment;

    * ehopt.c (get_cie_info): Rename from eh_frame_code_alignment;
        also collect whether to expect an FDE augmentation.
        (check_eh_frame): Rewrite as a state machine.  Track where in
        an FDE we are located, skip any augmentation.
        (eh_frame_estimate_size_before_relax): Get code alignment from
        the fragment subtype.
        (eh_frame_relax_frag, eh_frame_convert_frag): Likewise.
        * read.c (emit_leb128_expr): Call check_eh_frame.