--- old/src/hotspot/share/oops/symbol.hpp	2019-03-27 16:10:44.659273627 +0100
+++ new/src/hotspot/share/oops/symbol.hpp	2019-03-27 16:10:44.359268663 +0100
@@ -203,6 +203,7 @@
     return starts_with(prefix, (int) strlen(prefix));
   }
   bool is_Q_signature() const;
+  bool is_Q_array_signature() const;
   Symbol* fundamental_name(TRAPS);
   bool is_same_fundamental_type(Symbol*) const;