Issue 1936. Unknown field from Dynamic has type Dynamic.

compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java

Index: compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
diff --git a/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java b/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
index 11ee910fd4beec504cd964b9b9c136b56562e410..c55efcd1f5f40b3b0a92fec333ad51a3258c60ce 100644
--- a/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
+++ b/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
@@ -1356,6 +1356,8 @@ public class TypeAnalyzer implements DartCompilationPhase {
                          name, element.getName());
       }
       switch (element.getKind()) {
+        case DYNAMIC:
+          return dynamicType;
         case CONSTRUCTOR:
           return typeError(node.getName(), TypeErrorCode.MEMBER_IS_A_CONSTRUCTOR,
                            name, element.getName());