Changes to how we handle fancy stacks:

tests/standalone/io/options_test.dart

Index: tests/standalone/io/options_test.dart
===================================================================
--- tests/standalone/io/options_test.dart	(revision 26407)
+++ tests/standalone/io/options_test.dart	(working copy)
@@ -8,8 +8,14 @@
 import "dart:math";
 import "dart:io";
 
+_removeTestRunnerOptions(Options options) {
+  options.arguments.remove('--no-fancy-stacks');
+  options.arguments.remove('--no-filtered-stacks');
+}
+
 main() {
   var opts = new Options();
+  _removeTestRunnerOptions(opts);
 
   // Basic test for functionality.
   Expect.equals(3, opts.arguments.length);
@@ -27,6 +33,7 @@
 
   // Check that a new options object still gets the original arguments.
   var opts2 = new Options();
+  _removeTestRunnerOptions(opts2);
   Expect.equals(3, opts2.arguments.length);
   Expect.equals(10, int.parse(opts2.arguments[0]));
   Expect.equals("options_test", opts2.arguments[1]);