Compute KernelClosureRepresentationInfo.variableIsUsedInTryOrSync

pkg/compiler/lib/src/universe/codegen_world_builder.dart

 // Copyright (c) 2017, 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.
 
 part of world_builder;
 
 /// World builder specific to codegen.
 ///
 /// This adds additional access to liveness of selectors and elements.
 abstract class CodegenWorldBuilder implements WorldBuilder {
@@ skipping 609 matching lines @@
   void registerIsCheck(ResolutionDartType type) {
     // Even in checked mode, type annotations for return type and argument
     // types do not imply type checks, so there should never be a check
     // against the type variable of a typedef.
     assert(!type.isTypeVariable || !type.element.enclosingElement.isTypedef);
     super.registerIsCheck(type);
   }
 }
 
 class KernelCodegenWorldBuilder extends CodegenWorldBuilderImpl {
-  KernelToElementMapImpl _elementMap;
+  KernelToWorldBuilder _elementMap;
 
   KernelCodegenWorldBuilder(
       this._elementMap,
       ElementEnvironment elementEnvironment,
       NativeBasicData nativeBasicData,
       ClosedWorld world,
       SelectorConstraintsStrategy selectorConstraintsStrategy)
       : super(elementEnvironment, nativeBasicData, world,
             selectorConstraintsStrategy);
 
@@ skipping 15 matching lines @@
 
   @override
   void forEachInstanceField(
       ClassEntity cls, void f(ClassEntity declarer, FieldEntity field)) {
     _elementEnvironment.forEachClassMember(cls,
         (ClassEntity declarer, MemberEntity member) {
       if (member.isField && member.isInstanceMember) f(declarer, member);
     });
   }
 }