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From "Gregory Shimansky (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HARMONY-2394) [drlvm][verifier] VM throws VerifyError when uninitialized object is used in aload/astore instructions
Date Mon, 11 Dec 2006 15:18:23 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-2394?page=all ]

Gregory Shimansky resolved HARMONY-2394.
----------------------------------------

    Resolution: Fixed

Patch applied at 485699. Please check that it was applied as expected.

> [drlvm][verifier] VM throws VerifyError when uninitialized object is used in aload/astore
instructions
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2394
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2394
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Pavel Rebriy
>         Assigned To: Gregory Shimansky
>         Attachments: uninitialized_test.zip, verifier_uninitialized_usage.patch
>
>
> According to Java Specification uninitialized class instance can occur in a local variable
if no backward branch is taken and code isn't protected by an exception handler.
> At present verifier rejects storing or loading uninitialized class instance to a local
variable. The patch of the issue corrects uninitialized class instance usage.

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