benchmark: fix child-process-exec-stdout on win

This benchmark fails on Windows when trying to execute command which is more than 32k in size. This commits skips this one case when running under Windows. PR-URL: #7178 Reviewed-By: Trott - Rich Trott <[email protected]> Reviewed-By: orangemocha - Alexis Campailla <[email protected]>

Author: bzoz

benchmark/child_process/child-process-exec-stdout.js

@@ -1,7 +1,12 @@
 'use strict';
 constcommon=require('../common.js');
+
+varmessagesLength=[64,256,1024,4096];
+// Windows does not support that long arguments
+if(process.platform!=='win32')
+messagesLength.push(32768);
 constbench=common.createBenchmark(main,{
-len: [64,256,1024,4096,32768],
+len: messagesLength,
 dur: [5]
 });