--- old/src/share/vm/runtime/arguments.cpp	2017-04-10 08:15:50.980827147 +0200
+++ new/src/share/vm/runtime/arguments.cpp	2017-04-10 08:15:50.836820866 +0200
@@ -734,6 +734,9 @@
   } else if (result->is_size_t()) {
     size_t size_t_v = (size_t) v;
     return CommandLineFlags::size_tAtPut(result, &size_t_v, origin) == Flag::SUCCESS;
+  } else if (result->is_double()) {
+    double double_v = (double) v;
+    return CommandLineFlags::doubleAtPut(result, &double_v, origin) == Flag::SUCCESS;
   } else {
     return false;
   }