src/jdk.compiler/share/classes/com/sun/tools/javac/code/Types.java

*** 87,97 ****
      protected static final Context.Key<Types> typesKey = new Context.Key<>();
  
      final Symtab syms;
      final JavacMessages messages;
      final Names names;
-     final boolean allowObjectToPrimitiveCast;
      final boolean allowDefaultMethods;
      final boolean mapCapturesToBounds;
      final Check chk;
      final Enter enter;
      JCDiagnostic.Factory diags;
--- 87,96 ----
*** 111,121 ****
      protected Types(Context context) {
          context.put(typesKey, this);
          syms = Symtab.instance(context);
          names = Names.instance(context);
          Source source = Source.instance(context);
-         allowObjectToPrimitiveCast = Feature.OBJECT_TO_PRIMITIVE_CAST.allowedInSource(source);
          allowDefaultMethods = Feature.DEFAULT_METHODS.allowedInSource(source);
          mapCapturesToBounds = Feature.MAP_CAPTURES_TO_BOUNDS.allowedInSource(source);
          chk = Check.instance(context);
          enter = Enter.instance(context);
          capturedName = names.fromString("<captured wildcard>");
--- 110,119 ----
*** 1637,1648 ****
          if (t == s)
              return true;
          if (t.isPrimitive() != s.isPrimitive()) {
              t = skipTypeVars(t, false);
              return (isConvertible(t, s, warn)
!                     || (allowObjectToPrimitiveCast &&
!                         s.isPrimitive() &&
                          isSubtype(boxedClass(s).type, t)));
          }
          if (warn != warnStack.head) {
              try {
                  warnStack = warnStack.prepend(warn);
--- 1635,1645 ----
          if (t == s)
              return true;
          if (t.isPrimitive() != s.isPrimitive()) {
              t = skipTypeVars(t, false);
              return (isConvertible(t, s, warn)
!                     || (s.isPrimitive() &&
                          isSubtype(boxedClass(s).type, t)));
          }
          if (warn != warnStack.head) {
              try {
                  warnStack = warnStack.prepend(warn);