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  1. JDK
  2. JDK-8024971 Fuzzing results on nashorn by Andre
  3. JDK-8025090

'while' statement with 'test' using var before being declared in body results in VerifyError

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Details

    • Sub-task
    • Status: Resolved
    • P3
    • Resolution: Fixed
    • 8
    • 8
    • core-libs
    • None
    • b110
    • generic
    • generic

    Description

      function f() {
         while (x += 2) { var x = 44 }
      }
       
      Exception in thread "main" java.lang.VerifyError: get long/double overflows locals
      Exception Details:
        Location:
          jdk/nashorn/internal/scripts/Script$test.f(Ljava/lang/Object;)Ljava/lang/Object; @7: dload_2
        Reason:
          Local index 2 is invalid
        Bytecode:
          0000000: a700 0714 002a 4928 1400 2c63 5c49 b800
          0000010: 339a fff2 b200 37b0
        Stackmap Table:
          append_frame(@3,Top,Double)
          chop_frame(@7,2)

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            sundar Sundararajan Athijegannathan
            sundar Sundararajan Athijegannathan
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            Dates

              Created:
              Updated:
              Resolved: