* stabsread.c (read_huge_number): Add support for reading octal
signed number in twos complement, based on the size of this
number.
(read_range_type): Add support for reading octal signed bounds
in twos complements, based on the size of the type.
(read_type_number, read_cpp_abbrev, read_member_functions,
read_cpp_abbrev, read_one_struct_field, read_baseclasses,
read_struct_type, read_array_type, read_enum_type,
read_sun_builtin_type, read_sun_floating_type): Update calls to
read_huge_number.
(read_type): Update call to read_range_type.