--- old/src/hotspot/cpu/arm/macroAssembler_arm.hpp	2021-03-23 09:29:42.698955153 +0100
+++ new/src/hotspot/cpu/arm/macroAssembler_arm.hpp	2021-03-23 09:29:42.574956166 +0100
@@ -1054,6 +1054,8 @@
 #endif
   }
 
+  // C 'boolean' to Java boolean: x == 0 ? 0 : 1
+  void c2bool(Register x);
 
     // klass oop manipulations if compressed