Array append nodes should report polymorphism

* Currently they are forced-split but might not be in the future.

Author: eregon

src/main/java/org/truffleruby/core/array/ArrayAppendManyNode.java

@@ -11,6 +11,7 @@
 
 import com.oracle.truffle.api.dsl.Cached;
 import com.oracle.truffle.api.dsl.ImportStatic;
+import com.oracle.truffle.api.dsl.ReportPolymorphism;
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.object.DynamicObject;
 import com.oracle.truffle.api.profiles.ConditionProfile;
@@ -23,6 +24,7 @@
 import org.truffleruby.language.objects.shared.PropagateSharingNode;
 
 @ImportStatic(ArrayGuards.class)
+@ReportPolymorphism
 public abstract class ArrayAppendManyNode extends RubyBaseNode {
 
     @Child private PropagateSharingNode propagateSharingNode = PropagateSharingNode.create();

src/main/java/org/truffleruby/core/array/ArrayAppendOneNode.java

@@ -12,6 +12,7 @@
 import com.oracle.truffle.api.dsl.Cached;
 import com.oracle.truffle.api.dsl.ImportStatic;
 import com.oracle.truffle.api.dsl.NodeChild;
+import com.oracle.truffle.api.dsl.ReportPolymorphism;
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.object.DynamicObject;
 import com.oracle.truffle.api.profiles.ConditionProfile;
@@ -24,6 +25,7 @@
 @NodeChild("array")
 @NodeChild("value")
 @ImportStatic(ArrayGuards.class)
+@ReportPolymorphism
 public abstract class ArrayAppendOneNode extends RubyNode {
 
     @Child private PropagateSharingNode propagateSharingNode = PropagateSharingNode.create();