opts_set(opts.warn, WARN_RESERVED_NAMES, true);
opts_set(opts.warn, WARN_UNINITIALIZED_CONSTANT, true);
opts_set(opts.warn, WARN_UNINITIALIZED_GLOBAL, false);
opts_set(opts.warn, WARN_RESERVED_NAMES, true);
opts_set(opts.warn, WARN_UNINITIALIZED_CONSTANT, true);
opts_set(opts.warn, WARN_UNINITIALIZED_GLOBAL, false);