Add ConstructorBodyEntity

pkg/compiler/lib/src/elements/entities.dart

Index: pkg/compiler/lib/src/elements/entities.dart
diff --git a/pkg/compiler/lib/src/elements/entities.dart b/pkg/compiler/lib/src/elements/entities.dart
index 5779cd8d5dd8f0c4491b723e2b20f9c7df967e6f..827ad5e0982f8d77c802e494eb4eafa35342252f 100644
--- a/pkg/compiler/lib/src/elements/entities.dart
+++ b/pkg/compiler/lib/src/elements/entities.dart
@@ -206,6 +206,15 @@ abstract class ConstructorEntity extends FunctionEntity {
   bool get isFromEnvironmentConstructor;
 }
 
+/// The constructor body for a [ConstructorEntity].
+///
+/// This is used only in the backend to split encoding of a Dart constructor
+/// into two JavaScript functions; the constructor and the constructor body.
+abstract class ConstructorBodyEntity extends FunctionEntity {

[Siggi Cherem (dart-lang), 2017/07/07 20:00:25]

+TODO or clarify that this entity shouldn't exist once we delete the old modelx?
(if we get rid of it in the K model)

[Johnni Winther, 2017/07/10 14:11:33]

Done.

+  /// The constructor for which this constructor body was created.
+  ConstructorEntity get constructor;
+}
+
 /// An entity that defines a local entity (memory slot) in generated code.
 ///
 /// Parameters, local variables and local functions (can) define local entity