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List:       openjdk-hotspot-runtime-dev
Subject:    Re: [13] RFR(XS/M): 8226699 [BACKOUT] JDK-8221734 Deoptimize with handshakes
From:       "Daniel D. Daugherty" <daniel.daugherty () oracle ! com>
Date:       2019-06-25 2:30:24
Message-ID: ea131a6e-0e01-5dfd-fe87-df485da97bc6 () oracle ! com
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Thanks for the review!

Dan


On 6/24/19 7:17 PM, dean.long@oracle.com wrote:
> It's fine with me, as long as I don't need to verify it :-)
>
> dl
>
> On 6/24/19 3:19 PM, Daniel D. Daugherty wrote:
>> Hi Dean,
>>
>> It would be good to hear from you on this backout...
>>
>> Dan
>>
>>
>> On 6/24/19 5:35 PM, Daniel D. Daugherty wrote:
>>> Greetings,
>>>
>>> The Runtime team has decided to backout the following fix from JDK13:
>>>
>>>        JDK-8221734 Deoptimize with handshakes
>>>        https://bugs.openjdk.java.net/browse/JDK-8221734
>>>
>>> in order to provide time to deal with the following regression in the
>>> JDK14 time frame:
>>>
>>>        JDK-8225351 assert failed: Revoke failed, unhandled biased lock 
>>> state
>>>        https://bugs.openjdk.java.net/browse/JDK-8225351
>>>
>>> This is a backout of an 'M'-sized patch so it's 'XS' because it is a
>>> backout that has been mechanically verified, but the numbers of lines
>>> touched makes it an 'M'.
>>>
>>> Here's the backout bug:
>>>
>>>        JDK-8226699 [BACKOUT] JDK-8221734 Deoptimize with handshakes
>>>        https://bugs.openjdk.java.net/browse/JDK-8226699
>>>
>>> Here's the webrev:
>>>
>>> http://cr.openjdk.java.net/~dcubed/8226699-webrev/0_for_jdk13/index.html 
>>>
>>>
>>> Here's the webrev for JDK-8221734:
>>>
>>>        http://cr.openjdk.java.net/~rehn/8221734/v5/webrev/
>>>
>>> Thanks, in advance, for any comments, questions or suggestions.
>>>
>>> Dan (and Robbin)
>>>
>>
>

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