Adjust unit test to avoid flakyness when running with the ARM simulator.

In some cases the assert that the test function is not optimized fails
because the function may be optimized already after the second invocation.
(e.g. when running slow in debug mode)
Review URL: http://codereview.chromium.org/7778009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9034 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/mjsunit/assert-opt-and-deopt.js

@@ -54,7 +54,7 @@ OptTracker.OptimizationState = {
  * that you later want to track de/optimizations for. It is necessary because
  * tests are sometimes executed several times in a row, and you want to
  * disregard counts from previous runs.
- */ 
+ */
 OptTracker.prototype.CheckpointOptCount = function(func) {
   this.opt_counts_[func] = %GetOptimizationCount(func);
 };
@@ -148,7 +148,7 @@ tracker.AssertIsOptimized(f, false);
 tracker.AssertDeoptHappened(f, false);
 tracker.AssertDeoptCount(f, 0);
 
-for (var i = 0; i < 2; i++) f(1);
+f(1);
 
 tracker.AssertOptCount(f, 0);
 tracker.AssertIsOptimized(f, false);