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From "Ivan Volosyuk (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-1661) [DRLVM][GC] gc_alloc() next to high bit of size is not reset on allocating finalizible objects
Date Mon, 02 Oct 2006 17:40:20 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-1661?page=all ]

Ivan Volosyuk updated HARMONY-1661:
-----------------------------------

    Attachment: gc_alloc.diff

Here is one-liner fix.

> [DRLVM][GC] gc_alloc() next to high bit of size is not reset on allocating finalizible
objects
> ----------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1661
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1661
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: All
>            Reporter: Ivan Volosyuk
>         Attachments: gc_alloc.diff
>
>
> gc_alloc() allocation path for finalizible object incorrect again.
> Fix for HARMONY-1588 added the flow. 'in_size' may have next to high bit set for object
size. This indicates that the object has special features (is finalizible) and cannot be processed
by fast path.
> Changing in_size to size in slow path fixes the problem.
> Bug is reproducible by java.lang.Runtime kernel test in interpreter mode. After the fix
test passes for me.

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