[tests] Make assertOptimized()/assertUnoptimized() great again.

test/mjsunit/never-optimize.js

Index: test/mjsunit/never-optimize.js
diff --git a/test/mjsunit/never-optimize.js b/test/mjsunit/never-optimize.js
index 643588ebf41e84c5d42bef8829d9ceb1e756841c..dec00ec5808578b5c3023ea5fcace0a79f03d957 100644
--- a/test/mjsunit/never-optimize.js
+++ b/test/mjsunit/never-optimize.js
@@ -30,8 +30,8 @@
 function o1() {
 }
 
-if (%GetOptimizationStatus(o1) != 4) {
-  // 4 == optimization disabled.
+var opt_status = %GetOptimizationStatus(o1);
+if ((opt_status & V8OptimizationStatus.kNeverOptimize) === 0) {
   o1(); o1();
   %OptimizeFunctionOnNextCall(o1);
   o1();
@@ -57,7 +57,6 @@ if (%GetOptimizationStatus(o1) != 4) {
   u1(); u1();
   u2(); u2();
 
-  // 2 => not optimized.
   assertUnoptimized(u1);
   assertOptimized(u2);
 }