--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/objects/NativeArray.java	Wed Jul 05 22:30:52 2017 +0200
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/objects/NativeArray.java	Fri Nov 25 14:20:24 2016 +0100
@@ -61,7 +61,6 @@
 import jdk.nashorn.internal.runtime.OptimisticBuiltins;
 import jdk.nashorn.internal.runtime.PropertyDescriptor;
 import jdk.nashorn.internal.runtime.PropertyMap;
-import jdk.nashorn.internal.runtime.ScriptFunction;
 import jdk.nashorn.internal.runtime.ScriptObject;
 import jdk.nashorn.internal.runtime.ScriptRuntime;
 import jdk.nashorn.internal.runtime.Undefined;
@@ -748,7 +747,7 @@
      * @param arg argument
      * @return resulting NativeArray
      */
-    @SpecializedFunction(linkLogic=ConcatLinkLogic.class)
+    @SpecializedFunction(linkLogic=ConcatLinkLogic.class, convertsNumericArgs = false)
     public static NativeArray concat(final Object self, final int arg) {
         final ContinuousArrayData newData = getContinuousArrayDataCCE(self, Integer.class).copy(); //get at least an integer data copy of this data
         newData.fastPush(arg); //add an integer to its end
@@ -762,21 +761,7 @@
      * @param arg argument
      * @return resulting NativeArray
      */
-    @SpecializedFunction(linkLogic=ConcatLinkLogic.class)
-    public static NativeArray concat(final Object self, final long arg) {
-        final ContinuousArrayData newData = getContinuousArrayDataCCE(self, Long.class).copy(); //get at least a long array data copy of this data
-        newData.fastPush(arg); //add a long at the end
-        return new NativeArray(newData);
-    }
-
-    /**
-     * ECMA 15.4.4.4 Array.prototype.concat ( [ item1 [ , item2 [ , ... ] ] ] )
-     *
-     * @param self self reference
-     * @param arg argument
-     * @return resulting NativeArray
-     */
-    @SpecializedFunction(linkLogic=ConcatLinkLogic.class)
+    @SpecializedFunction(linkLogic=ConcatLinkLogic.class, convertsNumericArgs = false)
     public static NativeArray concat(final Object self, final double arg) {
         final ContinuousArrayData newData = getContinuousArrayDataCCE(self, Double.class).copy(); //get at least a number array data copy of this data
         newData.fastPush(arg); //add a double at the end
@@ -980,7 +965,7 @@
      * @param arg a primitive to push
      * @return array length after push
      */
-    @SpecializedFunction(linkLogic=PushLinkLogic.class)
+    @SpecializedFunction(linkLogic=PushLinkLogic.class, convertsNumericArgs = false)
     public static double push(final Object self, final int arg) {
         return getContinuousArrayDataCCE(self, Integer.class).fastPush(arg);
     }
@@ -994,21 +979,7 @@
      * @param arg a primitive to push
      * @return array length after push
      */
-    @SpecializedFunction(linkLogic=PushLinkLogic.class)
-    public static double push(final Object self, final long arg) {
-        return getContinuousArrayDataCCE(self, Long.class).fastPush(arg);
-    }
-
-    /**
-     * ECMA 15.4.4.7 Array.prototype.push (args...)
-     *
-     * Primitive specialization, {@link LinkLogic}
-     *
-     * @param self self reference
-     * @param arg a primitive to push
-     * @return array length after push
-     */
-    @SpecializedFunction(linkLogic=PushLinkLogic.class)
+    @SpecializedFunction(linkLogic=PushLinkLogic.class, convertsNumericArgs = false)
     public static double push(final Object self, final double arg) {
         return getContinuousArrayDataCCE(self, Double.class).fastPush(arg);
     }