RFR(S) - 8073463: G1 does not mangle freed heap regions

[Jesper Wilhelmsson]

Looks good!
/Jesper


David Lindholm skrev den 12/3/15 16:03:
> Hi,
>
> Please review this small fix which mangles freed heap regions in G1. I took the
> opportunity to make mangle_unused_area() and mangle_unused_area_complete() pure
> virtual, and null-implemented them in compactibleFreeListSpace instead. I also
> removed Space::mangle_region(MemRegion mr) which was never called.
>
>
> Webrev: http://cr.openjdk.java.net/~mgerdin/david/8073463/webrev/
> Bug: https://bugs.openjdk.java.net/browse/JDK-8073463
>
> Testing done: JPRT
>
>
> Thanks,
> David