src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/NamedLocationIdentity.java

*** 58,67 ****
--- 58,72 ----
      /**
       * Denotes the location of the length field of a Java array.
       */
      public static final LocationIdentity ARRAY_LENGTH_LOCATION = NamedLocationIdentity.immutable("[].length");
  
+     /**
+      * Denotes an off-heap address.
+      */
+     public static final LocationIdentity OFF_HEAP_LOCATION = NamedLocationIdentity.mutable("OFF_HEAP_LOCATION");
+ 
      private final String name;
      private final boolean immutable;
  
      protected NamedLocationIdentity(String name, boolean immutable) {
          this.name = name;
*** 79,89 ****
          return create(name, false);
      }
  
      /**
       * Creates a named unique location identity for read operations against immutable memory.
!      * Immutable memory will never have a visible write in the graph, which is more restictive than
       * Java final.
       *
       * @param name the name of the new location identity
       */
      public static NamedLocationIdentity immutable(String name) {
--- 84,94 ----
          return create(name, false);
      }
  
      /**
       * Creates a named unique location identity for read operations against immutable memory.
!      * Immutable memory will never have a visible write in the graph, which is more restrictive than
       * Java final.
       *
       * @param name the name of the new location identity
       */
      public static NamedLocationIdentity immutable(String name) {