Turn on parallel recompilation for tests that assert optimization status.

test/mjsunit/regress/regress-2618.js

Index: test/mjsunit/regress/regress-2618.js
diff --git a/test/mjsunit/regress/regress-2618.js b/test/mjsunit/regress/regress-2618.js
index 99f05ca6170290eed9aaa69a84ba4ccef4b486a3..3509db2d45a441ced57d7c419d12984f487e181c 100644
--- a/test/mjsunit/regress/regress-2618.js
+++ b/test/mjsunit/regress/regress-2618.js
@@ -38,7 +38,7 @@ function f() {
 }
 
 f();
-assertTrue(%GetOptimizationStatus(f) != 2);
+assertOptimized(f);
 
 
 function g() {
@@ -70,5 +70,4 @@ function g() {
 }
 
 g();
-assertTrue(%GetOptimizationStatus(g) != 2);
-
+assertOptimized(g);