dart2js-kernel: handle 'dynamic' as an expression

pkg/compiler/lib/src/ssa/builder_kernel.dart

 // Copyright (c) 2016, 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 'package:kernel/ast.dart' as ir;
 
 import '../closure.dart';
 import '../common.dart';
 import '../common/codegen.dart' show CodegenRegistry, CodegenWorkItem;
 import '../common/names.dart';
@@ skipping 1215 matching lines @@
   void visitMapEntry(ir.MapEntry mapEntry) {
     // Visit value before the key because each will push an expression to the
     // stack, so when we pop them off, the key is popped first, then the value.
     mapEntry.value.accept(this);
     mapEntry.key.accept(this);
   }
 
   @override
   void visitTypeLiteral(ir.TypeLiteral typeLiteral) {
     ir.DartType type = typeLiteral.type;
-    if (type is ir.InterfaceType) {
+    if (type is ir.InterfaceType || type is ir.DynamicType) {
       ConstantValue constant = astAdapter.getConstantForType(type);
       stack.add(graph.addConstant(constant, closedWorld));
       return;
     }
     if (type is ir.TypeParameterType) {
       // TODO(sra): Convert the type logic here to use ir.DartType.
       ResolutionDartType dartType = astAdapter.getDartType(type);
       dartType = localsHandler.substInContext(dartType);
       HInstruction value = typeBuilder.analyzeTypeArgument(
           dartType, sourceElement,
           sourceInformation: null);
       _pushStaticInvocation(astAdapter.runtimeTypeToString,
           <HInstruction>[value], commonMasks.stringType);
       _pushStaticInvocation(astAdapter.createRuntimeType, <HInstruction>[pop()],
           astAdapter.createRuntimeTypeReturnType);
       return;
     }
-    // TODO(27394): 'dynamic' and function types observed. Where are they from?
+    // TODO(27394): Function types observed. Where are they from?
     defaultExpression(typeLiteral);
     return;
   }
 
   @override
   void visitStaticGet(ir.StaticGet staticGet) {
     ir.Member staticTarget = staticGet.target;
     if (staticTarget is ir.Procedure &&
         staticTarget.kind == ir.ProcedureKind.Getter) {
       // Invoke the getter
@@ skipping 1219 matching lines @@
     kernelBuilder.open(exitBlock);
     enterBlock.setBlockFlow(
         new HTryBlockInformation(
             kernelBuilder.wrapStatementGraph(bodyGraph),
             exception,
             kernelBuilder.wrapStatementGraph(catchGraph),
             kernelBuilder.wrapStatementGraph(finallyGraph)),
         exitBlock);
   }
 }