Dynamic -> dynamic.

sdk/lib/core/queue.dart

Index: sdk/lib/core/queue.dart
diff --git a/sdk/lib/core/queue.dart b/sdk/lib/core/queue.dart
index 91fcfce6e4d34100b795d2ffbae76773e0dbdb6c..20798a7083dc9c80bd33bdfccd17e7d3f84ba2d0 100644
--- a/sdk/lib/core/queue.dart
+++ b/sdk/lib/core/queue.dart
@@ -291,8 +291,8 @@ class DoubleLinkedQueue<E> implements Queue<E> {
     return other;
   }
 
-  Dynamic reduce(Dynamic initialValue,
-                 Dynamic combine(Dynamic previousValue, E element)) {
+  dynamic reduce(dynamic initialValue,
+                 dynamic combine(dynamic previousValue, E element)) {
     return Collections.reduce(this, initialValue, combine);
   }