Change STABLE_IN to 2019.
@@ -3096,7 +3096,7 @@ public class CompilerOptions implements Serializable {
*/
UNSUPPORTED;
- public static final LanguageMode STABLE_IN = ECMASCRIPT_2018;
+ public static final LanguageMode STABLE_IN = ECMASCRIPT_2019;
public static final LanguageMode STABLE_OUT = ECMASCRIPT5;
/** Whether this language mode defaults to strict mode */
