PR c++/35319
        * mangle.c (write_builtin_type): Add mangling for decimal floating
        point and fixed point types.
        (write_type): Pass FIXED_POINT_TYPE along.
        * cp-demangle.c (cplus_demangle_type): Support fixed-point types.
        (d_print_comp, d_dump): Likewise.

From-SVN: r142661