--- a/src/hotspot/cpu/arm/macroAssembler_arm.hpp	Thu Nov 22 17:25:47 2018 +0100
+++ b/src/hotspot/cpu/arm/macroAssembler_arm.hpp	Fri Nov 23 19:45:38 2018 +0300
@@ -853,6 +853,8 @@
     sub(dst, r1, AsmOperand(r2, lsl, shift));
   }
 
+  // C 'boolean' to Java boolean: x == 0 ? 0 : 1
+  void c2bool(Register x);
 
     // klass oop manipulations if compressed