diff -r 31272cef28e2 -r 8375560db76b src/hotspot/share/adlc/formsopt.hpp
--- a/src/hotspot/share/adlc/formsopt.hpp	Tue Nov 26 16:09:23 2019 +0300
+++ b/src/hotspot/share/adlc/formsopt.hpp	Tue Nov 26 16:09:25 2019 +0300
@@ -104,6 +104,7 @@
 
   AllocClass *addAllocClass(char *allocName);
   void        addSpillRegClass();
+  void        addDynamicRegClass();
 
   // Provide iteration over all register definitions
   // in the order used by the register allocator