Fix NaN === NaN tester

src/avm1/tests/test.interpreter.js

@@ -87,7 +87,7 @@ describe('AVM1 Interpreter (Tamarin acceptance tests)', function() {
           if (results.failed) {
             var testCases = results.testCases;
             for (var q = 0; q < testCases.length; q++) {
-              if (testCases[q].expect === testCases[q].actual) continue;
+              if (!testCases[q].failed) continue;
               reason += '#' + q + ' | ' + testCases[q].description + ' | ' +
                 testCases[q].reason + ' | ' + testCases[q].expect + ' != ' +
                 testCases[q].actual + ' / ';

utils/avm1tests/TestCase.as

@@ -4,12 +4,14 @@ class TestCase {
   var reason;
   var expect;
   var actual;
+  var failed;
   function TestCase(sectionName, description, expect, actual) {
     this.sectionName = sectionName;
     this.description = description;
     this.reason = '';
     this.expect = expect;
     this.actual = actual;
+    this.failed = true;
   }
 
   static function startTest() { }
@@ -17,7 +19,8 @@ class TestCase {
     var atLeastOneFailed = false;
     for (var i = 0; i < testCases.length; i++) {
       var tc = testCases[i];
-      var failed = tc.expect !== tc.actual;
+      var failed = !(tc.expect === tc.actual || (isNaN(tc.expect) && isNaN(tc.actual)));
+      tc.failed = failed;
       log('Test case #' + i + ' | ' + tc.expect +
         (failed ? ' != ' : ' == ') + tc.actual +
         ' | ' + tc.sectionName + ' | ' + tc.reason);