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From "Egor Pasko (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-6336) [drlvm][jit] ArrayIndexOutOfBoundsException thrown without index information; generally AIOBE is thrown without specifiying the index.
Date Tue, 08 Sep 2009 10:24:57 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-6336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12752422#action_12752422
] 

Egor Pasko commented on HARMONY-6336:
-------------------------------------

both JITs (JET and OPT) do not keep offset information for AIOOB at throwing points. This
is bad.

while in JET this seems to be easy to fix, in OPT a little bit of refactoring will be required
(throwing a 'system exception' does not have room for additional parameters currently)

I am not sure I can provide complete solution soon :)

> [drlvm][jit] ArrayIndexOutOfBoundsException thrown without index information; generally
AIOBE is thrown without specifiying the index.
> --------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-6336
>                 URL: https://issues.apache.org/jira/browse/HARMONY-6336
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>    Affects Versions: 5.0M11
>            Reporter: Sebb
>            Priority: Minor
>
> Following code:
>     public static void main(String[] arg) throws Exception {
>         int a[] = {1,2,3};
>         a[3] = 4;
>     }
> Generates 
> java.lang.ArrayIndexOutOfBoundsException 
> in Harmony but 
> java.lang.ArrayIndexOutOfBoundsException 3
> with Sun Java 1.4
> A quick search of the class library shows that ArrayIndexOutOfBoundsException is frequently
called without providing the index.
> This makes debugging index problems very much harder that it ought to be.

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