create mode 100644 test/cases/compile_errors/enum_backed_by_comptime_int.zig
 delete mode 100644 test/cases/compile_errors/enum_backed_by_comptime_int_must_be_casted_from_comptime_value.zig
 delete mode 100644 test/cases/compile_errors/enum_backed_by_comptime_int_must_be_comptime.zig
 create mode 100644 test/cases/compile_errors/union_backed_by_enum_backed_by_comptime_int.zig