--- old/src/hotspot/os/windows/os_windows.cpp	2018-10-04 14:38:57.935316190 +0530
+++ new/src/hotspot/os/windows/os_windows.cpp	2018-10-04 14:38:57.807316190 +0530
@@ -5254,7 +5254,7 @@
 
 // Run the specified command in a separate process. Return its exit value,
 // or -1 on failure (e.g. can't create a new process).
-int os::fork_and_exec(char* cmd) {
+int os::fork_and_exec(char* cmd, bool use_vfork_if_available) {
   STARTUPINFO si;
   PROCESS_INFORMATION pi;
   DWORD exit_code;