* ada-lang.c (to_fixed_range_type): Add ORIG_TYPE argument.
Fall back to orig_type as index type if symbol lookup fails.
Allocate result types from ORIG_TYPE's objfile.
(ada_array_bound_from_type, to_fixed_array_type,
ada_evaluate_subexp): Pass original index type to
to_fixed_range_type. Do not pass objfile.
* ada-typeprint.c (print_range_type_named): Add ORIG_TYPE argument.
Fall back to orig_type as index type if symbol lookup fails.
(print_array_type, ada_print_type): Pass original index type
to print_range_type_named.