diff -r 71fef5fae9cc -r 562bf1878089 src/hotspot/os/windows/os_windows.inline.hpp
--- a/src/hotspot/os/windows/os_windows.inline.hpp	Wed Oct 16 14:32:17 2019 -0700
+++ b/src/hotspot/os/windows/os_windows.inline.hpp	Thu Oct 17 00:00:13 2019 +0200
@@ -30,8 +30,6 @@
 
 inline const char* os::dll_file_extension()            { return ".dll"; }
 
-inline const int os::default_file_open_flags() { return O_BINARY | O_NOINHERIT;}
-
 inline void  os::dll_unload(void *lib) {
   ::FreeLibrary((HMODULE)lib);
 }