RFR(XXS): JDK-6883953 java -client -XX:ValueMapInitialSize=0 crashes

[Yuri Gaevsky]

Thanks for your review,  Vladimir.

-Yuri

-----Original Message-----
From: Vladimir Kozlov [mailto:vladimir.kozlov at oracle.com] 
Sent: Saturday, May 17, 2014 1:53 AM
To: Yuri Gaevsky; hotspot-runtime-dev at openjdk.java.net; hotspot-compiler-dev at openjdk.java.net
Cc: Niclas Adlertz
Subject: Re: RFR(XXS): JDK-6883953 java -client -XX:ValueMapInitialSize=0 crashes

Looks fine. I asked Niclas to sponsor this.

Thanks,
Vladimir

On 5/15/14 2:22 PM, Coleen Phillimore wrote:
>
> Hi Yuri,
> Since this is a compiler change, I'm including the compiler alias.
> Coleen
>
> On 5/15/14, 11:29 AM, Yuri Gaevsky wrote:
>> Hello.
>>
>> I am looking for a sponsor to review and to integrate this simple fix
>> into JDK 9:
>>
>> $ cat hotspot.patch
>> --- old/src/share/vm/runtime/arguments.cpp      2014-05-15
>> 18:43:52.907532800 +0400
>> +++ new/src/share/vm/runtime/arguments.cpp      2014-05-15
>> 18:43:52.595018700 +0400
>> @@ -2335,6 +2335,7 @@
>>     status = status && verify_percentage(MarkSweepDeadRatio,
>> "MarkSweepDeadRatio");
>>     status = status && verify_min_value(MarkSweepAlwaysCompactCount,
>> 1, "MarkSweepAlwaysCompactCount");
>> +  status = status && verify_min_value(ValueMapInitialSize, 1,
>> "ValueMapInitialSize");
>>     if (PrintNMTStatistics) {
>>   #if INCLUDE_NMT
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-6883953
>> Summary: Limit ValueMapInitialSize minimal value by 1.
>> Tests:  JCK-runtime-8 [api/[java_lang|java_util] & vm/] (Windows).
>>
>> Thank you,
>> -Yuri
>>
>