RFR: 8167600 jib make run-test for langtools and intermittent failures on windows-x86

[Tim Bell]

Magnus:

Thank you for the feedback.  See below:


> On 2016-10-15 03:23, Tim Bell wrote:
>> Please review this rework of the langtools/test/Makefile fix done in
>> 8166648. [1]  ARCH_DATA_MODEL is not set in all test scenarios, so a
>> better approach is to check the VM about to be tested.
>>
>> Bug report:
>>     https://bugs.openjdk.java.net/browse/JDK-8167600
>>
>> Webrev:
>>     http://cr.openjdk.java.net/~tbell/8167600/webrev.00/
>>
>> Testing:
>>    Successful JPRT runs on all platforms.  Inspected the
>> <platform>_<arch>.product-c2-langtools_jtreg.log files to verify the
>> expected flag was used only on 32-bit VMs.
>
> Hi Tim,
>
> Seems a bit complicated to create a temporary javascript and execute it.
> Why not try something like:
> DATA_MODEL=`${JT_JAVA}/bin/java -XshowSettings:properties -version 2>&1
> | grep sun.arch.data.model | awk '{print $3}'`
> ?

Excellent idea.  This is much simpler.

Here is an updated webrev.  Tested as before, by submitting a JPRT job 
and inspecting the .log files.

   http://cr.openjdk.java.net/~tbell/8167600/webrev.01/


Tim


>> Thanks in advance-
>>
>> Tim
>>
>> [1] JDK-8166648 https://bugs.openjdk.java.net/browse/JDK-8166648
>