Support annotations on assignment and postfix operations

tests/compiler/dart2js/inference/data/simple.dart

Index: tests/compiler/dart2js/inference/data/simple.dart
diff --git a/tests/compiler/dart2js/inference/data/simple.dart b/tests/compiler/dart2js/inference/data/simple.dart
index 0ed282326c5cddb48071212571915ed8f7d52980..dfb29ea49c648fcd3064419eda0de592fb594e01 100644
--- a/tests/compiler/dart2js/inference/data/simple.dart
+++ b/tests/compiler/dart2js/inference/data/simple.dart
@@ -2,22 +2,22 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-/*zero:[exact=JSUInt31]*/
+/*element: zero:[exact=JSUInt31]*/
 zero() => 0;
 
-/*one:[exact=JSUInt31]*/
+/*element: one:[exact=JSUInt31]*/
 one() => 1;
 
-/*half:[exact=JSDouble]*/
+/*element: half:[exact=JSDouble]*/
 half() => 0.5;
 
-/*large:[subclass=JSUInt32]*/
+/*element: large:[subclass=JSUInt32]*/
 large() => 2147483648;
 
-/*huge:[subclass=JSPositiveInt]*/
+/*element: huge:[subclass=JSPositiveInt]*/
 huge() => 4294967296;
 
-/*main:[null]*/
+/*element: main:[null]*/
 main() {
   zero();
   one();