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  1. JDK
  2. JDK-6931296

IndexOutOfBoundsException is not thrown for specific code in the -Xcomp mode since JDK b81

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    • Subcomponent:
    • CPU:
      generic
    • OS:
      generic

      Description

      PASSED: JDK 6 b105, JDK 7 b80 (on all platforms)
      FAILED: JDK 7 b81 (seems to on all platforms)

      The following code has started failing since JDK 7 b81 (hs17 b08) when the "-Xcomp" option is specified.

      ==================
      public class ArrayBoundTest {

          public static void main(String[] args) {
              byte bb[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
              try {
                  write(bb, -1, 4);
                  System.out.println("BAD");
              } catch (IndexOutOfBoundsException e) {
                  System.out.println("OK");
              }
          }

          static public void write(byte b[], int off, int len)
          {
              for (int i = 0; i < len; ++ i)
                  write(b[off + i]);
          }

          static private void write(byte b) {
              
          }

      }
      ===============

      Here is the output from running the program above using different JDKs on jessika.russia.sun.com:

      ================
      <ag153348@jessika> uname -a
      SunOS jessika 5.10 Generic_137137-09 sun4v sparc SUNW,T5140

      <ag153348@jessika> /set/java/re/jdk/7/promoted/ea/b81/binaries/solaris-sparc/bin/javac ArrayBoundTest.java
      <ag153348@jessika> /set/java/re/jdk/7/promoted/ea/b81/binaries/solaris-sparc/bin/java -showversion -Xcomp -cp . ArrayBoundTestjava version "1.7.0-ea"
      Java(TM) SE Runtime Environment (build 1.7.0-ea-b81)
      Java HotSpot(TM) Server VM (build 17.0-b08, compiled mode)

      BAD
      <ag153348@jessika>

      <ag153348@jessika> /set/java/re/jdk/7/promoted/ea/b81/binaries/solaris-sparc/bin/java -showversion -cp . ArrayBoundTest
      java version "1.7.0-ea"
      Java(TM) SE Runtime Environment (build 1.7.0-ea-b81)
      Java HotSpot(TM) Server VM (build 17.0-b08, mixed mode)

      OK

      <ag153348@jessika> /set/java/re/jdk/7/promoted/ea/b80/binaries/solaris-sparc/bin/javac ArrayBoundTest.java
      <ag153348@jessika> /set/java/re/jdk/7/promoted/ea/b80/binaries/solaris-sparc/bin/java -showversion -Xcomp -cp . ArrayBoundTest
      java version "1.7.0-ea"
      Java(TM) SE Runtime Environment (build 1.7.0-ea-b80)
      Java HotSpot(TM) Server VM (build 17.0-b07, compiled mode)

      OK
      <ag153348@jessika>

      <ag153348@jessika> javac ArrayBoundTest.java
      <ag153348@jessika> java -cp . ArrayBoundTest
      <ag153348@jessika> java -showversion -cp . ArrayBoundTest
      java version "1.6.0"
      Java(TM) SE Runtime Environment (build 1.6.0-b105)
      Java HotSpot(TM) Server VM (build 1.6.0-b105, compiled mode)

      OK

      ===========================

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              • Assignee:
                Unassigned
                Reporter:
                agavrilosunw Alexey Gavrilov (Inactive)
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