No dynamic at runtime

test/codegen/expect/fieldtest.js

Index: test/codegen/expect/fieldtest.js
diff --git a/test/codegen/expect/fieldtest.js b/test/codegen/expect/fieldtest.js
index b0e0f9550937e86133325db0c1fa1c23f7074a23..ec2c08cf5eb65d3c12824f80972ec9232141a5dc 100644
--- a/test/codegen/expect/fieldtest.js
+++ b/test/codegen/expect/fieldtest.js
@@ -27,11 +27,11 @@ var core = dart.import(core);
     core.print(dart.dload(a, 'x'));
     return dart.as(dart.dload(a, 'x'), core.int);
   }
-  dart.fn(bar, core.int, [dart.dynamic]);
+  dart.fn(bar, core.int, [core.Object]);
   function baz(a) {
     return a.x;
   }
-  dart.fn(baz, dart.dynamic, [A]);
+  dart.fn(baz, core.Object, [A]);
   function compute() {
     return 123;
   }
@@ -73,7 +73,7 @@ var core = dart.import(core);
       }
     }
     dart.setSignature(Generic, {
-      methods: () => ({foo: dart.functionType(dart.dynamic, [T])})
+      methods: () => ({foo: dart.functionType(core.Object, [T])})
     });
     return Generic;
   });