(XS) RFR: 8146616: VM exit path throws fatal error: Thread holding lock at safepoint that vm can block on: BeforeExit_lock

[David Holmes]

Thanks Dan!

David

On 3/02/2016 12:21 PM, Daniel D. Daugherty wrote:
> Thumbs up!
>
> Dan
>
>
> On 2/2/16 7:13 PM, David Holmes wrote:
>> bug: https://bugs.openjdk.java.net/browse/JDK-8146616
>>
>> webrev: http://cr.openjdk.java.net/~dholmes/8146616/webrev/
>>
>> We encountered a bug with the Solaris Studio 12u4 compiler that causes
>> a destructor not to be called when leaving a block, and so leaves a
>> system monitor locked. A workaround is to introduce an explicit local
>> scope:
>>
>> @@ -421,7 +421,10 @@
>>        assert(_before_exit_status == BEFORE_EXIT_DONE, "invalid state");
>>        return;
>>      case BEFORE_EXIT_DONE:
>> -      return;
>> +      // need block to avoid SS compiler bug
>> +      {
>> +        return;
>> +      }
>>      }
>>
>> Thanks,
>> David
>