--- old/src/hotspot/share/runtime/globals.hpp	2019-11-14 15:57:46.750050967 +0100
+++ new/src/hotspot/share/runtime/globals.hpp	2019-11-14 15:57:46.369038802 +0100
@@ -1408,7 +1408,7 @@
   product(intx,  AllocatePrefetchDistance, -1,                              \
           "Distance to prefetch ahead of allocation pointer. "              \
           "-1: use system-specific value (automatically determined")        \
-          constraint(AllocatePrefetchDistanceConstraintFunc, AfterMemoryInit)\
+          constraint(AllocatePrefetchDistanceConstraintFunc,AfterMemoryInit)\
                                                                             \
   product(intx,  AllocatePrefetchLines, 3,                                  \
           "Number of lines to prefetch ahead of array allocation pointer")  \