Add a proper HInvokeConstructorBody instead of mis-using HInvokeDynamicMethod.

sdk/lib/_internal/compiler/implementation/world.dart

Index: sdk/lib/_internal/compiler/implementation/world.dart
===================================================================
--- sdk/lib/_internal/compiler/implementation/world.dart	(revision 23010)
+++ sdk/lib/_internal/compiler/implementation/world.dart	(working copy)
@@ -206,6 +206,7 @@
   }
 
   SideEffects getSideEffectsOfElement(Element element) {
+    assert(!element.isGenerativeConstructorBody());

[kasperl, 2013/05/22 12:49:15]

Add a comment that explains why this doesn't make sense to ask for generative
constructor bodies.

[ngeoffray, 2013/05/22 12:51:55]

Done.

     return sideEffects.putIfAbsent(element.declaration, () {
       return new SideEffects();
     });