Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8134731

Function.prototype.apply interacts incorrectly with 'arguments'

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 8u60, 9
    • Fix Version/s: 9
    • Component/s: core-libs
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      b81
    • CPU:
      x86
    • OS:
      os_x

      Backports

        Description

        FULL PRODUCT VERSION :
        java version "1.8.0_60"
        Java(TM) SE Runtime Environment (build 1.8.0_60-b27)
        Java HotSpot(TM) 64-Bit Server VM (build 25.60-b23, mixed mode)

        ADDITIONAL OS VERSION INFORMATION :
        Darwin c056.local 14.5.0 Darwin Kernel Version 14.5.0: Wed Jul 29 02:26:53 PDT 2015; root:xnu-2782.40.9~1/RELEASE_X86_64 x86_64

        A DESCRIPTION OF THE PROBLEM :
        The following code incorrectly produces `4` in Nashorn (it should produce `2`):

        (function(f){
          return function(a1, a2, a3, a4){
            return f.apply(this, arguments);
          }
        })
        (function(){
          return arguments.length;
        })
        (1, 2);

        STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
        Observe that the code provided in the description produces an incorrect result when run through Nashorn.

        EXPECTED VERSUS ACTUAL BEHAVIOR :
        EXPECTED -
        2, the number of arguments with which the function is called.
        ACTUAL -
        4, the number of formal parameters of the function.

        REPRODUCIBILITY :
        This bug can be reproduced always.

          Attachments

            Issue Links

              Activity

                People

                • Assignee:
                  sundar Sundararajan Athijegannathan
                  Reporter:
                  webbuggrp Webbug Group
                • Votes:
                  0 Vote for this issue
                  Watchers:
                  6 Start watching this issue

                  Dates

                  • Created:
                    Updated:
                    Resolved: