diff -r 0015bf3a82e0 -r 489867818774 src/jdk.jdwp.agent/share/native/libjdwp/eventFilter.c
--- a/src/jdk.jdwp.agent/share/native/libjdwp/eventFilter.c	Fri Mar 02 19:10:12 2018 +0100
+++ b/src/jdk.jdwp.agent/share/native/libjdwp/eventFilter.c	Sat Mar 03 08:21:47 2018 +0100
@@ -276,7 +276,7 @@
     }
 }
 
-static jboolean isVersionGte12x() {
+static jboolean isVersionGte12x(void) {
     jint version;
     jvmtiError err =
         JVMTI_FUNC_PTR(gdata->jvmti,GetVersionNumber)(gdata->jvmti, &version);