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pkg/compiler/lib/src/kernel/kernel_backend_strategy.dart

Index: pkg/compiler/lib/src/kernel/kernel_backend_strategy.dart
diff --git a/pkg/compiler/lib/src/kernel/kernel_backend_strategy.dart b/pkg/compiler/lib/src/kernel/kernel_backend_strategy.dart
index 04c4a66cd9804b47df197deff3dd96f3fee891d2..f09c86b210d6969bb55f4de14d8bda76bde7bce1 100644
--- a/pkg/compiler/lib/src/kernel/kernel_backend_strategy.dart
+++ b/pkg/compiler/lib/src/kernel/kernel_backend_strategy.dart
@@ -73,8 +73,13 @@ class KernelBackendStrategy implements BackendStrategy {
       NativeBasicData nativeBasicData,
       ClosedWorld closedWorld,
       SelectorConstraintsStrategy selectorConstraintsStrategy) {
-    return new KernelCodegenWorldBuilder(closedWorld.elementEnvironment,
-        nativeBasicData, closedWorld, selectorConstraintsStrategy);
+    KernelFrontEndStrategy frontendStrategy = _compiler.frontendStrategy;
+    return new KernelCodegenWorldBuilder(
+        frontendStrategy.elementMap,
+        closedWorld.elementEnvironment,
+        nativeBasicData,
+        closedWorld,
+        selectorConstraintsStrategy);
   }
 
   @override
@@ -119,7 +124,8 @@ class KernelCodegenWorkItem extends CodegenWorkItem {
   final CodegenRegistry registry;
 
   KernelCodegenWorkItem(this._backend, this._closedWorld, this.element)
-      : registry = new CodegenRegistry(element);
+      : registry =
+            new CodegenRegistry(_closedWorld.elementEnvironment, element);
 
   @override
   WorldImpact run() {