[OpenJDK 2D-Dev] [7u8] request for review: 7150594: VM chash in JCK api/java_awt/Image/ConvolveOp/ tests for 64 bit jdk8 on linux.

[Jennifer Godinez]

Approved.

- Jennifer

On 8/20/2012 4:30 AM, Andrew Brygin wrote:
> Hello,
>
>  could you please review a fix for 7150594?
>
>  This problem is triggered by the fix for CR 7113017. In particular,
>  this fix replaces the malloc.h with stddef.h in mlib_types.h. This
>  change leads to compiling mlib_sys.c without forward declaration for
>  memalign() routine, and cause following warnings:
>
> mlib_sys.c:96: warning: implicit declaration of function 'memalign'
> mlib_sys.c:96: warning: cast to pointer from integer of different size
>
>  This cause the problem on systems where size of integer is less than
>  size of pointers: the pointer value is clamped, and usage of the
>  clamped pointer causes the observed crash.
>
>  As per discussion for jdk8 fix, suggested solution for 7u8 is to roll
>  back the original fix for 7113017.
>
>  Fix discussion for jdk8:
> http://mail.openjdk.java.net/pipermail/2d-dev/2012-August/002666.html
>  7u8 changeset for 7113017:
>    http://hg.openjdk.java.net/jdk7u/jdk7u-dev/jdk/rev/45ef4cd48167
>
>  Please take a look.
>
> Bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7150594
> Webrev: http://cr.openjdk.java.net/~bae/7150594/7u8/webrev.00/
>
> Thanks,
> Andrew