src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/z/ZAddress.java

*** 56,66 ****
      }
  
      static Address address(long value) {
          VM vm = VM.getVM();
          if (vm.getOS().equals("solaris") && vm.getCPU().equals("sparc")) {
!             value |= ZGlobals.ZAddressSpaceStart;
          }
  
          return ZOop.to_address(value);
      }
  
--- 56,66 ----
      }
  
      static Address address(long value) {
          VM vm = VM.getVM();
          if (vm.getOS().equals("solaris") && vm.getCPU().equals("sparc")) {
!             value |= ZGlobals.ZAddressSpaceStart.asLongValue();
          }
  
          return ZOop.to_address(value);
      }