diff --git a/src/hotspot/cpu/s390/macroAssembler_s390.hpp b/src/hotspot/cpu/s390/macroAssembler_s390.hpp
index 90afb7e..f33478e 100644
--- a/src/hotspot/cpu/s390/macroAssembler_s390.hpp
+++ b/src/hotspot/cpu/s390/macroAssembler_s390.hpp
@@ -779,6 +779,7 @@ class MacroAssembler: public Assembler {
 
   void null_check(Register reg, Register tmp = Z_R0, int64_t offset = -1);
   static bool needs_explicit_null_check(intptr_t offset);  // Implemented in shared file ?!
+  static bool uses_implicit_null_check(void* address);
 
   // Klass oop manipulations if compressed.
   void encode_klass_not_null(Register dst, Register src = noreg);