src/jdk/nashorn/internal/codegen/types/IntType.java

*** 70,80 ****
          super("int", int.class, 2, 1);
      }
  
      @Override
      public Type nextWider() {
!         return LONG;
      }
  
      @Override
      public Class<?> getBoxedType() {
          return Integer.class;
--- 70,80 ----
          super("int", int.class, 2, 1);
      }
  
      @Override
      public Type nextWider() {
!         return NUMBER;
      }
  
      @Override
      public Class<?> getBoxedType() {
          return Integer.class;