Refactoring to prepare for kernel based jump targets

pkg/compiler/lib/src/serialization/resolved_ast_serialization.dart

Index: pkg/compiler/lib/src/serialization/resolved_ast_serialization.dart
diff --git a/pkg/compiler/lib/src/serialization/resolved_ast_serialization.dart b/pkg/compiler/lib/src/serialization/resolved_ast_serialization.dart
index 954d9e907ca9bfad7bdbd691006600edbabd1c58..c64e5c130eddeb8d25a3765167d354b5c2f1e931 100644
--- a/pkg/compiler/lib/src/serialization/resolved_ast_serialization.dart
+++ b/pkg/compiler/lib/src/serialization/resolved_ast_serialization.dart
@@ -580,7 +580,7 @@ class ResolvedAstDeserializer {
             decoder.getElement(Key.EXECUTABLE_CONTEXT);
         Node statement = nodeList[decoder.getInt(Key.NODE)];
         int nestingLevel = decoder.getInt(Key.NESTING_LEVEL);
-        JumpTarget jumpTarget =
+        JumpTargetX jumpTarget =
             new JumpTargetX(statement, nestingLevel, executableContext);
         jumpTarget.isBreakTarget = decoder.getBool(Key.IS_BREAK_TARGET);
         jumpTarget.isContinueTarget = decoder.getBool(Key.IS_CONTINUE_TARGET);