There is no need for global working buffer in VM.

include/ph7int.h

@@ -1217,7 +1217,6 @@ struct ph7_vm {
 	SyHash hSuper;              /* Superglobals hashtable */
 	SyHash hDBAL;               /* DBAL installed drivers */
 	SyBlob sConsumer;           /* Default VM consumer [i.e Redirect all VM output to this blob] */
-	SyBlob sWorker;             /* General purpose working buffer */
 	SyBlob sArgv;               /* $argv[] collector [refer to the [getopt()] implementation for more information] */
 	SySet aModules;             /* Set of loaded modules */
 	SySet aFiles;               /* Stack of processed files */