diff -r efdbe9b904ad -r f96fcd9e1e1b src/share/vm/services/diagnosticArgument.cpp
--- a/src/share/vm/services/diagnosticArgument.cpp	Tue Feb 23 18:58:36 2016 -0500
+++ b/src/share/vm/services/diagnosticArgument.cpp	Thu Jun 14 09:15:08 2018 -0700
@@ -89,7 +89,7 @@
                                                   size_t len, TRAPS) {
   int scanned = -1;
   if (str == NULL
-      || sscanf(str, JLONG_FORMAT"%n", &_value, &scanned) != 1
+      || sscanf(str, JLONG_FORMAT "%n", &_value, &scanned) != 1
       || (size_t)scanned != len)
   {
     ResourceMark rm;