diff --git a/js/src/trace-test.js b/js/src/trace-test.js
index f389f23211c3..cd93508c9c3e 100644
--- a/js/src/trace-test.js
+++ b/js/src/trace-test.js
@@ -1,7 +1,12 @@
+var fails = [], passes=[];
+
 function test(desc, actual, expected)
 {
-  if (expected == actual)
+  if (expected == actual) {
+    passes.push(desc);
     return print(desc, ": passed");
+  }
+  fails.push(desc);
   print(desc, ": FAILED: expected", typeof(expected), "(", expected, ") != actual",
 	typeof(actual), "(", actual, ")");
 }
@@ -234,8 +239,13 @@ function call()
       q3 += glob_f1();
       q4 += o.f();
       q5 += glob_f2();
-  }  
+  }
   var ret = [q1, q2, q3, q4, q5];
   return ret;
 }
 test("call", call(), "100,100,100,100,100");
+
+if (passes.length)
+  print("pass:", passes.join(","));
+if (fails.length)
+  print("FAIL:", fails.join(","));