RFR(XXS): 8236124: Minimal VM slowdebug build failed after JDK-8212160

[serguei.spitsyn at oracle.com]

Hi Coleen,

Thank you for reviewing it!
I've sent another trivial patch as suggested by Chris.
It is for better consistency.

Thanks,
Seguei


On 1/6/20 6:29 PM, coleen.phillimore at oracle.com wrote:
> This looks trivial.  Thank you for fixing it.
> Coleen
>
> On 1/6/20 9:18 PM, serguei.spitsyn at oracle.com wrote:
>> Please, review a trivial fix for bug:
>>   https://bugs.openjdk.java.net/browse/JDK-8236124
>>
>> Patch suggested by A. Shipilev:
>>
>> diff --git a/src/hotspot/share/code/nmethod.cpp 
>> b/src/hotspot/share/code/nmethod.cpp
>> --- a/src/hotspot/share/code/nmethod.cpp
>> +++ b/src/hotspot/share/code/nmethod.cpp
>> @@ -1601,7 +1601,7 @@
>>        ServiceThread::enqueue_deferred_event(&event);
>>      } else {
>>        // This enters the nmethod barrier outside in the caller.
>> -      state->enqueue_event(&event);
>> +      JVMTI_ONLY(state->enqueue_event(&event));
>>      }
>>    }
>>  }
>>
>>
>> Summary:
>>   The slowdebug build was broken by the fix of JDK-8212160 which 
>> introduced new function: enqueue_event().
>>   The fix is to call it only if the JVM TI is enabled.
>>
>> Testing:
>>   Ran slowdebug build locally.
>>
>> Thanks,
>> Serguei
>