[Truffle] Adding null array specialization for Array#compact

jruby · Apr 3, 2015 · 539b3da · 539b3da
1 parent 2d6b3f6
commit 539b3da
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/truffle/src/main/java/org/jruby/truffle/nodes/core/ArrayNodes.java b/truffle/src/main/java/org/jruby/truffle/nodes/core/ArrayNodes.java
@@ -825,6 +825,11 @@ public Object compactObjects(RubyArray array) {
             return new RubyArray(getContext().getCoreLibrary().getArrayClass(), newStore, m);
         }
 
+        @Specialization(guards = "isNullArray")
+        public Object compactNull(RubyArray array) {
+            return new RubyArray(getContext().getCoreLibrary().getArrayClass(), null, 0);
+        }
+
     }
 
     @CoreMethod(names = "compact!", raiseIfFrozenSelf = true)