Request for reviews (XS): 6880052

Tom Rodriguez Thomas.Rodriguez at Sun.COM
Tue Sep 8 16:33:51 PDT 2009


looks good.

tom

On Sep 8, 2009, at 4:15 PM, Vladimir Kozlov wrote:

>
> http://cr.openjdk.java.net/~kvn/6880052/webrev.00
>
> Fixed 6880052: SIGSEGV in GraphKit::null_check_common()
>
> Problem:
> After 6875577 fix the method do_null_check() checks for
> unloaded klass also for arrays. But array type may not
> have klass, for example, when element type is Bottom.
> The bug case has Phi node which merges several CheckCastPP
> with different types so its type is bottom[int:>=0].
>
> Solution:
> Check that a klass is not NULL before the unloaded check.
>
> Reviewed by:
>
> Fix verified (y/n): y, test
>
> Other testing:
> JPRT
>



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