Assert that we don't mix K and J elements

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

Index: pkg/compiler/lib/src/universe/element_world_builder.dart
diff --git a/pkg/compiler/lib/src/universe/element_world_builder.dart b/pkg/compiler/lib/src/universe/element_world_builder.dart
index f076a436afa08d27ad2677534629d54867bdff05..c14a5ca0a331a268546a5a50fc74d09b3a63a9d0 100644
--- a/pkg/compiler/lib/src/universe/element_world_builder.dart
+++ b/pkg/compiler/lib/src/universe/element_world_builder.dart
@@ -19,8 +19,11 @@ class ElementResolutionWorldBuilder extends ResolutionWorldBuilderBase {
       NativeDataBuilder nativeDataBuilder,
       InterceptorDataBuilder interceptorDataBuilder,
       BackendUsageBuilder backendUsageBuilder,
+      RuntimeTypesNeedBuilder rtiNeedBuilder,
+      NativeResolutionEnqueuer nativeResolutionEnqueuer,
       SelectorConstraintsStrategy selectorConstraintsStrategy)
       : super(
+            backend.compiler.options,
             _resolution.elementEnvironment,
             _resolution.types,
             _resolution.commonElements,
@@ -29,6 +32,8 @@ class ElementResolutionWorldBuilder extends ResolutionWorldBuilderBase {
             nativeDataBuilder,
             interceptorDataBuilder,
             backendUsageBuilder,
+            rtiNeedBuilder,
+            nativeResolutionEnqueuer,
             selectorConstraintsStrategy);
 
   bool isImplemented(ClassElement cls) {
@@ -175,7 +180,9 @@ class ElementResolutionWorldBuilder extends ResolutionWorldBuilderBase {
     Map<ClassEntity, Set<ClassEntity>> typesImplementedBySubclasses =
         populateHierarchyNodes();
     _closed = true;
+
     return _closedWorldCache = new ClosedWorldImpl(
+        options: _options,
         elementEnvironment: _elementEnvironment,
         dartTypes: _dartTypes,
         commonElements: _commonElements,
@@ -183,7 +190,10 @@ class ElementResolutionWorldBuilder extends ResolutionWorldBuilderBase {
         nativeData: _nativeDataBuilder.close(),
         interceptorData: _interceptorDataBuilder.close(),
         backendUsage: _backendUsageBuilder.close(),
+        resolutionWorldBuilder: this,
+        rtiNeedBuilder: _rtiNeedBuilder,
         implementedClasses: _implementedClasses,
+        liveNativeClasses: _nativeResolutionEnqueuer.liveNativeClasses,
         liveInstanceMembers: _liveInstanceMembers,
         assignedInstanceMembers: computeAssignedInstanceMembers(),
         allTypedefs: _allTypedefs,