Handle signature types and fields in kernel_impact

pkg/compiler/lib/src/resolution/members.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library dart2js.resolution.members;
 
 import '../common.dart';
 import '../common/names.dart' show Selectors;
 import '../common/resolution.dart' show Resolution;
 import '../compile_time_constants.dart';
@@ skipping 438 matching lines @@
         addToScope(parameterElement);
       }
       parameterNodes = parameterNodes.tail;
     });
     addDeferredAction(enclosingElement, () {
       functionSignature.forEachOptionalParameter((ParameterElementX parameter) {
         parameter.constant =
             resolver.constantCompiler.compileConstant(parameter);
       });
     });
+    if (!functionSignature.returnType.isDynamic) {
+      registry.registerTypeUse(
+          new TypeUse.checkedModeCheck(functionSignature.returnType));
+    }
     functionSignature.forEachParameter((ParameterElement element) {
-      registry.registerTypeUse(new TypeUse.checkedModeCheck(element.type));
+      if (!element.type.isDynamic) {
+        registry.registerTypeUse(new TypeUse.checkedModeCheck(element.type));
+      }
     });
   }
 
   ResolutionResult visitAssert(Assert node) {
     if (!options.enableAssertMessage) {
       if (node.hasMessage) {
         reporter.reportErrorMessage(
             node, MessageKind.EXPERIMENTAL_ASSERT_MESSAGE);
       }
     }
@@ skipping 4251 matching lines @@
     }
     return const NoneResult();
   }
 }
 
 /// Looks up [name] in [scope] and unwraps the result.
 Element lookupInScope(
     DiagnosticReporter reporter, Node node, Scope scope, String name) {
   return Elements.unwrap(scope.lookup(name), reporter, node);
 }