Fix null aware generic invocation.

lib/src/compiler/code_generator.dart

Index: lib/src/compiler/code_generator.dart
diff --git a/lib/src/compiler/code_generator.dart b/lib/src/compiler/code_generator.dart
index efd3de99c60dc02ece3c50b063de1bab89e6d39e..7f2d3ec3507afb7c359e2fc825385dcd6278b669 100644
--- a/lib/src/compiler/code_generator.dart
+++ b/lib/src/compiler/code_generator.dart
@@ -4302,8 +4302,10 @@ class CodeGenerator extends GeneralizingAstVisitor
       return AstBuilder.propertyAccess(newTarget, node.propertyName);
     } else {
       var invoke = node as MethodInvocation;
-      return AstBuilder.methodInvoke(
-          newTarget, invoke.methodName, invoke.argumentList.arguments);
+      var newInvoke = AstBuilder.methodInvoke(newTarget, invoke.methodName,
+          invoke.typeArguments, invoke.argumentList.arguments);

[Jacob, 2016/07/07 20:00:19]

nit: use cascades.
return AstBuilder.methodInvoke(newTarget, invoke.methodName,
          invoke.typeArguments, invoke.argumentList.arguments)
   ..staticInvokeType = invoke.staticInvokeType;

[Leaf, 2016/07/07 20:07:05]

Done.

+      newInvoke.staticInvokeType = invoke.staticInvokeType;
+      return newInvoke;
     }
   }