Disable gc stress mode for mjsunit timer test.

test/mjsunit/timer.js

Index: test/mjsunit/timer.js
diff --git a/test/mjsunit/timer.js b/test/mjsunit/timer.js
index bac474cfc1314c6901f5775e5b409f59bc05d49d..0b035501e7642963a20d134df20732ca44a66c44 100644
--- a/test/mjsunit/timer.js
+++ b/test/mjsunit/timer.js
@@ -25,8 +25,15 @@
 // (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
+
 // Tests timer milliseconds granularity.
 
+// Don't run this test in gc stress mode. Time differences may be long
+// due to garbage collections.
+%SetFlags("--gc-interval=-1");
+%SetFlags("--nostress-compaction");
+
 (function run() {
   var start_test = Date.now();
   // Let the retry run for maximum 100ms to reduce flakiness.