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

test/mjsunit/keyed-load-hole-to-undefined.js

Index: test/mjsunit/keyed-load-hole-to-undefined.js
diff --git a/test/mjsunit/keyed-load-hole-to-undefined.js b/test/mjsunit/keyed-load-hole-to-undefined.js
index e9403b8c5e2233d00e3763cec05fda70fb729e43..fac829d24fab533873333ecdda2522a07af22495 100644
--- a/test/mjsunit/keyed-load-hole-to-undefined.js
+++ b/test/mjsunit/keyed-load-hole-to-undefined.js
@@ -3,13 +3,15 @@
 // found in the LICENSE file.
 
 // Flags: --allow-natives-syntax
-// Flags: --nostress-opt
+// Flags: --nostress-opt --no-always-opt
 
 // --nostress-opt is specified because the test corrupts the "pristine"
 // array prototype chain by storing an element, and this is tracked
 // per-isolate. A subsequent stress run would send the load generic,
 // and no more deoptimizations of foo would occur.
 
+assertFalse(isAlwaysOptimize());
+
 function foo(a, i) { return a[i]; }
 
 var a = ['one', , 'three'];