--- a/hotspot/src/share/vm/runtime/commandLineFlagConstraintsGC.cpp	Thu Apr 21 10:19:00 2016 +0200
+++ b/hotspot/src/share/vm/runtime/commandLineFlagConstraintsGC.cpp	Tue Apr 19 14:53:32 2016 +0200
@@ -599,6 +599,14 @@
                                 value);
         return Flag::VIOLATES_CONSTRAINT;
       }
+
+      if (FLAG_IS_DEFAULT(MaxGCPauseMillis)) {
+        CommandLineError::print(verbose,
+                                "GCPauseIntervalMillis cannot be set "
+                                "without setting MaxGCPauseMillis\n");
+        return Flag::VIOLATES_CONSTRAINT;
+      }
+
       if (value <= MaxGCPauseMillis) {
         CommandLineError::print(verbose,
                                 "GCPauseIntervalMillis (" UINTX_FORMAT ") must be "