Enable map dependency to in-flight compilation info.

test/mjsunit/compiler/parallel-proto-change.js

Index: test/mjsunit/compiler/parallel-proto-change.js
diff --git a/test/mjsunit/compiler/parallel-proto-change.js b/test/mjsunit/compiler/parallel-proto-change.js
index 74e6d86a1041070e8df8e9b02d13f3e0ac697226..aa1ac6de90952c3a0f5e2e3ea28c4f1d1dcdd9f1 100644
--- a/test/mjsunit/compiler/parallel-proto-change.js
+++ b/test/mjsunit/compiler/parallel-proto-change.js
@@ -25,7 +25,12 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --allow-natives-syntax --parallel-recompilation
+// Flags: --allow-natives-syntax
+// Flags: --parallel-recompilation --parallel-recompilation-delay=50
+
+function assertUnoptimized(fun) {
+  assertTrue(%GetOptimizationStatus(fun) != 1);
+}
 
 function f(foo) { return foo.bar(); }
 
@@ -36,10 +41,10 @@ assertEquals(1, f(o));
 assertEquals(1, f(o));
 
 %OptimizeFunctionOnNextCall(f, "parallel");
-assertEquals(1, f(o));
-// Change the prototype chain during optimization.
+assertEquals(1, f(o));     // Trigger optimization.
+assertUnoptimized(f);      // Optimization not yet done.
+// Change the prototype chain during optimization to trigger map invalidation.
 o.__proto__.__proto__ = { bar: function() { return 2; } };
-
-%WaitUntilOptimized(f);
-
+%CompleteOptimization(f);  // Conclude optimization with...
+assertUnoptimized(f);      // ... bailing out due to map dependency.
 assertEquals(2, f(o));