RFR: 8049864: TestParallelHeapSizeFlags fails with unexpected heap size

[Erik Helin]

Hi all,

this change was discussed and approved back in June [0], "RFR: 8027915: 
TestParallelHeapSizeFlags fails with unexpected heap size on sparcv9",
but had to be backed out because it exposed JDK-8049536 [1]. Now that 
JDK-8049536 has been fixed [2], it is time to re-apply the patch that 
fixes the test failure.

Since the patch already has been pushed once, and each commit requires a 
unique bug id, the bug had to be cloned in JBS. The old bug id is 
JDK-8027915 [3] and the new bug id is JDK-8049864 [4].

The already approved patch applied cleanly except that the JTreg @ignore 
directive in the test used the new bug number, JDK-8049864. So instead 
of just pushing the patch again (with the new bug id), I figured it was 
best to give everyone a heads up first.

Webrev: http://cr.openjdk.java.net/~ehelin/8049864/webrev.00/

Bug: https://bugs.openjdk.java.net/browse/JDK-8049864

Thanks,
Erik

[0]: 
http://mail.openjdk.java.net/pipermail/hotspot-dev/2014-June/014325.html
[1]: https://bugs.openjdk.java.net/browse/JDK-8049536
[2]: http://hg.openjdk.java.net/jdk9/hs-gc/hotspot/rev/cde40424bcd4
[3]: https://bugs.openjdk.java.net/browse/JDK-8027915
[4]: https://bugs.openjdk.java.net/browse/JDK-8049864