Fix HTypeConversion.checkedInput

pkg/compiler/lib/src/ssa/codegen.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.
 
 import '../common.dart';
 import '../common/codegen.dart' show CodegenRegistry, CodegenWorkItem;
 import '../common/tasks.dart' show CompilerTask;
 import '../compiler.dart' show Compiler;
 import '../constants/constant_system.dart';
 import '../constants/values.dart';
@@ skipping 2807 matching lines @@
     CheckedModeHelper helper;
     if (node.isBooleanConversionCheck) {
       helper = const CheckedModeHelper('boolConversionCheck');
     } else {
       helper =
           backend.getCheckedModeHelper(type, typeCast: node.isCastTypeCheck);
     }
 
     if (helper == null) {
       assert(type.isFunctionType);
-      use(node.inputs[0]);
+      assert(node.usesMethodOnType);
+
+      String name = node.isCastTypeCheck ? '_asCheck' : '_assertCheck';
+      HInstruction reifiedType = node.inputs[0];
+      HInstruction checkedInput = node.inputs[1];
+      use(reifiedType);
+      js.Expression receiver = pop();
+      use(checkedInput);
+      Selector selector = new Selector.call(
+          new Name(name, helpers.jsHelperLibrary), CallStructure.ONE_ARG);
+      registry.registerDynamicUse(
+          new DynamicUse(selector, reifiedType.instructionType));
+      js.Name methodLiteral = backend.namer.invocationName(selector);
+      push(js.js('#.#(#)', [receiver, methodLiteral, pop()]));
     } else {
+      assert(!node.usesMethodOnType);
       push(helper.generateCall(this, node));
     }
   }
 
   void visitTypeKnown(HTypeKnown node) {
     // [HTypeKnown] instructions are removed before generating code.
     assert(false);
   }
 
   void visitFunctionType(HFunctionType node) {
@@ skipping 190 matching lines @@
     registry.registerStaticUse(new StaticUse.staticInvoke(
         helper, new CallStructure.unnamed(argumentCount)));
     return backend.emitter.staticFunctionAccess(helper);
   }
 
   @override
   void visitRef(HRef node) {
     visit(node.value);
   }
 }