push.apply with an unbounded array leads to stack overflow exceptions.

fix for #827

lib/status.js

@@ -106,7 +106,9 @@ class Status extends EventEmitter {
       });
 
       if (this.rollingPercentilesEnabled) {
-        acc.latencyTimes.push.apply(acc.latencyTimes, val.latencyTimes || []);
+        if (val.latencyTimes) {
+          acc.latencyTimes = acc.latencyTimes.concat(val.latencyTimes);
+        }
       }
       return acc;
     }, bucket());