A64: Synchronize with r15204.

test/mjsunit/assert-opt-and-deopt.js

Index: test/mjsunit/assert-opt-and-deopt.js
diff --git a/test/mjsunit/assert-opt-and-deopt.js b/test/mjsunit/assert-opt-and-deopt.js
index fa38ae3e56d381e093ead620e453ac94288bc29b..afba963fc74636bae8e3b6824bc49ae6b8586bef 100644
--- a/test/mjsunit/assert-opt-and-deopt.js
+++ b/test/mjsunit/assert-opt-and-deopt.js
@@ -25,8 +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
-%SetFlags("--noparallel-recompilation");
+// Flags: --allow-natives-syntax --noparallel-recompilation
+
+if (%IsParallelRecompilationSupported()) {
+  print("Parallel recompilation is turned on after all. Skipping this test.");
+  quit();
+}
 
 /**
  * This class shows how to use %GetOptimizationCount() and