* fhandler.cc (fhandler_base::open): Set win32 access flags

to 0, when requested.
* fhandler.h: New status flag FH_QUERYOPEN.
(fhandler::get_query_open): New function.
(fhandler::set_query_open): Ditto.
* syscalls.cc (stat_worker): Request query-only open mode.

winsup/cygwin/syscalls.cc

@@ -1048,6 +1048,7 @@ stat_worker (const char *caller, const char *name, struct stat *buf,
 	&& dtype != DRIVE_NO_ROOT_DIR
 	&& dtype != DRIVE_UNKNOWN)))
     {
+      fh.set_query_open (TRUE);
       oret = fh.open (real_path, O_RDONLY | O_BINARY | O_DIROPEN |
 				 (nofollow ? O_NOSYMLINK : 0), 0);
       /* Check a special case here. If ntsec is ON it happens