Minifying renamer for classes, methods and instance variables.

tests/compiler/dart2js/no_duplicate_constructor_body_test.dart

Index: tests/compiler/dart2js/no_duplicate_constructor_body_test.dart
diff --git a/tests/compiler/dart2js/no_duplicate_constructor_body_test.dart b/tests/compiler/dart2js/no_duplicate_constructor_body_test.dart
index 23464d6f601214b64836e34c051120511e370ab6..9bffba24cfb6d5c95a4da05fe79655793f5bc2ce 100644
--- a/tests/compiler/dart2js/no_duplicate_constructor_body_test.dart
+++ b/tests/compiler/dart2js/no_duplicate_constructor_body_test.dart
@@ -16,7 +16,9 @@ main() {
 
 main() {
   String generated = compileAll(CODE);
-  RegExp regexp = new RegExp(r'\$.A = {"":');
+  RegExp getClassName = new RegExp(r'\$\$.([A-Za-z]) ?= ?\{"":');
+  var className = getClassName.firstMatch(generated)[1];
+  RegExp regexp = new RegExp('\\\$.($className) ?= ?\\{"":');
   Iterator<Match> matches = regexp.allMatches(generated).iterator();
   checkNumberOfMatches(matches, 1);
 }