src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.common/src/org/graalvm/compiler/core/common/type/PrimitiveStamp.java

*** 37,46 ****
--- 37,51 ----
      protected PrimitiveStamp(int bits, ArithmeticOpTable ops) {
          super(ops);
          this.bits = bits;
      }
  
+     @Override
+     public void accept(Visitor v) {
+         v.visitInt(bits);
+     }
+ 
      /**
       * The width in bits of the value described by this stamp.
       */
      public int getBits() {
          return bits;