1 files changed, 13 insertions, 2 deletions
diff --git a/src/jdk/nashorn/internal/runtime/arrays/FrozenArrayFilter.java b/src/jdk/nashorn/internal/runtime/arrays/FrozenArrayFilter.java
index e15541db..1e71b44d 100644
--- a/src/jdk/nashorn/internal/runtime/arrays/FrozenArrayFilter.java
+++ b/src/jdk/nashorn/internal/runtime/arrays/FrozenArrayFilter.java
@@ -25,10 +25,10 @@
 
 package jdk.nashorn.internal.runtime.arrays;
 
-import jdk.nashorn.internal.objects.Global;
 import static jdk.nashorn.internal.runtime.ECMAErrors.typeError;
-
+import jdk.nashorn.internal.objects.Global;
 import jdk.nashorn.internal.runtime.PropertyDescriptor;
+import jdk.nashorn.internal.runtime.ScriptRuntime;
 
 /**
  * ArrayData after the array has been frozen by Object.freeze call.
@@ -79,4 +79,15 @@ final class FrozenArrayFilter extends SealedArrayFilter {
         }
         return this;
     }
+
+    @Override
+    public ArrayData push(final boolean strict, final Object... items) {
+        return this; //nop
+    }
+
+    @Override
+    public Object pop() {
+        final int len = (int)underlying.length();
+        return len == 0 ? ScriptRuntime.UNDEFINED : underlying.getObject(len - 1);
+    }
 }