8077203: Avoid unnecessary stripping of package names from FQN's in is_same_class_package() methods

[harold seigel]

Thanks Coleen!

Harold

On 7/19/2017 12:07 PM, coleen.phillimore at oracle.com wrote:
> Harold, this looks good!
>
> Coleen
>
>
> On 7/19/17 9:17 AM, harold seigel wrote:
>> Hi,
>>
>> Please review this JDK-10 fix for JDK-8077203.  The fix improves the 
>> JVM's is_same_class_package() methods by removing one of them and by 
>> changing the implementation of 'is_same_class_package(oop, const 
>> Symbol*)' to get the package name for 'this'  from its package entry 
>> record, instead of parsing its class name.
>>
>> Open Webrev: 
>> http://cr.openjdk.java.net/~hseigel/bug_8077203/webrev/index.html
>>
>> JBS Bug: https://bugs.openjdk.java.net/browse/JDK-8077203
>>
>> The fix was tested with JCK Lang and VM tests, the JTreg hotspot, 
>> java/io, java/lang, java/util and other tests, the co-located NSK 
>> tests, and with JPRT.
>>
>> Thanks, Harold
>>
>