src/java.base/share/classes/java/util/zip/ZStreamRef.java

*** 29,39 ****
   * A reference to the native zlib's z_stream structure.
   */
  
  class ZStreamRef {
  
!     private long address;
      ZStreamRef (long address) {
          this.address = address;
      }
  
      long address() {
--- 29,39 ----
   * A reference to the native zlib's z_stream structure.
   */
  
  class ZStreamRef {
  
!     private volatile long address;
      ZStreamRef (long address) {
          this.address = address;
      }
  
      long address() {