RFR(XXS): 8214105: Invalid bit tests in jtreg

Gary Adams gary.adams at oracle.com
Tue Nov 20 15:21:15 UTC 2018


Looks OK to me.

On 11/20/18, 9:47 AM, Daniel D. Daugherty wrote:
> On 11/20/18 9:34 AM, Simon Tooke wrote:
>> While compiling the JDK with GCC 8.1, I discovered an invalid bit test
>> in
>> test/hotspot/jtreg/serviceability/jvmti/StartPhase/AllowedFunctions/libAllowedFunctions.c. 
>>
>>
>>
>>      (status & JVMTI_CLASS_STATUS_INITIALIZED) == 1
>>
>> Which only has a chance of being true if JVMTI_CLASS_STATUS_INITIALIZED
>> has a value 1 (its actual value is 4, but that's beside the point).
>> My proposed fix is to test for != 0 instead.  I chose this instead of
>> testing for equality to JVMTI_CLASS_STATUS_INITIALIZED purely for
>> cosmetic reasons.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8214105
>> webrev: 
>> http://cr.openjdk.java.net/~sgehwolf/webrevs/stooke/JDK-8214105/01/webrev/
>
> test/hotspot/jtreg/serviceability/jvmti/StartPhase/AllowedFunctions/libAllowedFunctions.c 
>
>     Looks like you changed the tests for both 
> JVMTI_CLASS_STATUS_INITIALIZED
>     and JVMTI_CLASS_STATUS_ERROR since both have the same error. Looks 
> good.
>
> Thumbs up.
>
> Dan
>
>
>>
>> Please let me know what you think.
>>
>> Thanks,
>> -Simon
>>
>>
>



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