Request for reviews (XS): 7180769: assert(tboth->klass_is_exact()) failed: klass should be exact

[Vladimir Kozlov]

Thank you, Christian

I included you as reviewer into the pushed changeset.

Thanks,
Vladimir

Christian Thalinger wrote:
> [I forgot to send an official review email.]
> 
> Looks good.  -- Chris
> 
> On Jun 29, 2012, at 4:37 PM, Vladimir Kozlov wrote:
> 
>> http://cr.openjdk.java.net/~kvn/7180769/webrev
>>
>> 7180769: assert(tboth->klass_is_exact()) failed: klass should be exact
>>
>> Regression after 7170463 changes. Result of join() with interface class produces non-exact type:
>>
>> tcon: precise klass java/lang/String: 0x0000000111a57dd8:Constant:exact *
>> tval: Interface:klass org/apache/derby/iapi/store/raw/xact/TransactionId: 0x00000001174cc278 *
>> obj_type: org/apache/derby/iapi/store/raw/xact/TransactionId:NotNull *
>> tboth: org/apache/derby/iapi/store/raw/xact/TransactionId:NotNull *
>>
>> Use class exactness as part of the condition for class compare optimization instead of assert.
>>
>> Tested with failed test.
>>
>> Thanks,
>> Vladimir
>