Make ECMASCRIPT_2020 the default language_in for JSCompiler
@@ -3170,7 +3170,7 @@ public class CompilerOptions implements Serializable {
*/
UNSUPPORTED;
- public static final LanguageMode STABLE_IN = ECMASCRIPT_2019;
+ public static final LanguageMode STABLE_IN = ECMASCRIPT_2020;
public static final LanguageMode STABLE_OUT = ECMASCRIPT5;
/** Whether this language mode defaults to strict mode */
