Retire concurrent recompilation delay for non-stress testing.

test/mjsunit/concurrent-initial-prototype-change.js

Index: test/mjsunit/concurrent-initial-prototype-change.js
diff --git a/test/mjsunit/parallel-initial-prototype-change.js b/test/mjsunit/concurrent-initial-prototype-change.js
similarity index 86%
rename from test/mjsunit/parallel-initial-prototype-change.js
rename to test/mjsunit/concurrent-initial-prototype-change.js
index 625b590fcc3a5c62ed0ba8bb7d48ca57a257c9cd..d5b1b9949173ec9916f3c2b63fa607ec3a6778e2 100644
--- a/test/mjsunit/parallel-initial-prototype-change.js
+++ b/test/mjsunit/concurrent-initial-prototype-change.js
@@ -26,7 +26,7 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Flags: --allow-natives-syntax
-// Flags: --concurrent-recompilation --concurrent-recompilation-delay=100
+// Flags: --concurrent-recompilation --block-concurrent-recompilation
 
 if (!%IsConcurrentRecompilationSupported()) {
   print("Concurrent recompilation is disabled. Skipping this test.");
@@ -43,12 +43,15 @@ assertEquals(0.5, f1(arr, 0));
 
 // Optimized code of f1 depends on initial object and array maps.
 %OptimizeFunctionOnNextCall(f1, "concurrent");
-// Trigger optimization in the background thread
+// Kick off recompilation;
 assertEquals(0.5, f1(arr, 0));
-Object.prototype[1] = 1.5;  // Invalidate current initial object map.
+// Invalidate current initial object map after compile graph has been created.
+Object.prototype[1] = 1.5;
 assertEquals(2, f1(arr, 1));
-// Not yet optimized while background thread is running.
+// Not yet optimized since concurrent recompilation is blocked.
 assertUnoptimized(f1, "no sync");
+// Let concurrent recompilation proceed.
+%UnblockConcurrentRecompilation();
 // Sync with background thread to conclude optimization, which bails out
 // due to map dependency.
 assertUnoptimized(f1, "sync");