Use an explicit 'this' parameter instead of 'This' nodes.

pkg/compiler/lib/src/dart_backend/backend.dart

Index: pkg/compiler/lib/src/dart_backend/backend.dart
diff --git a/pkg/compiler/lib/src/dart_backend/backend.dart b/pkg/compiler/lib/src/dart_backend/backend.dart
index f2c6c71bd43f08ed8e4a977ccd0cbcd6e6eee4ff..87e1415a7ac65f12b5918f3a5a0c0b5b9f25a2ca 100644
--- a/pkg/compiler/lib/src/dart_backend/backend.dart
+++ b/pkg/compiler/lib/src/dart_backend/backend.dart
@@ -167,6 +167,7 @@ class DartBackend extends Backend {
     applyCpsPass(typePropagator);
     applyCpsPass(new RedundantPhiEliminator());
     applyCpsPass(new ShrinkingReducer());
+    //print(cpsDefinition.accept(new SExpressionStringifier()));

[asgerf, 2015/03/19 11:31:13]

Clean up

[sra1, 2015/03/19 16:54:24]

Done.

 
     // Do not rewrite the IR after variable allocation.  Allocation
     // makes decisions based on an approximation of IR variable live