[11] RFR(S): 8202848: -XX:+ExecuteInternalVMTests asserts with "assert(cd.valid() == true) failed: failed on a valid DirectivesParser string"

[Tobias Hartmann]

Thanks, Coleen!

Best regards,
Tobias

On 18.05.2018 14:50, coleen.phillimore at oracle.com wrote:
> 
> Thank you for fixing this!  Looks good.
> Coleen
> 
> On 5/18/18 6:54 AM, Tobias Hartmann wrote:
>> Hi,
>>
>> please review the following patch:
>> https://bugs.openjdk.java.net/browse/JDK-8202848
>> http://cr.openjdk.java.net/~thartmann/8202848/webrev.00/
>>
>> The problem is that with some locale settings (for example, LC_NUMERIC = de_DE.UTF-8), sscanf in
>> JSON::parse_json_number() treats "," as the decimal separator instead of ".". As a result, the value
>> of "VectorizeDebug: 1," in one of the DirectivesParser tests is read as "1," and we skip the comma
>> at the end of the line.
>>
>> This only affects VM internal tests, directive files specified via -XX:CompilerDirectivesFile= are
>> parsed before the locale is set to the systems default. We should therefore explicitly set the "C"
>> locale for the VM internal DirectivesParser tests.
>>
>> Thanks,
>> Tobias
>