RFR: 8u60 backport of: 8031686: G1: assert(_hrs.max_length() == _expansion_regions) failed

[Stefan Johansson]

Hi,

Please review this backport for:
https://bugs.openjdk.java.net/browse/JDK-8031686

Webrev:
http://cr.openjdk.java.net/~sjohanss/8031686/jdk8u60/hotspot.00/

Summary:
Fix did not apply clean due to changed context:
--- In original patch ---
<        err_msg("end mapping area address must be a multiple of mapping 
granularity %zd, is "PTR_FORMAT,
<          mapping_granularity_in_bytes, end));
--- In updated patch ---
 >        err_msg("end mapping area address must be a multiple of 
mapping granularity %zd, is " PTR_FORMAT,
 >          mapping_granularity_in_bytes, p2i(end)));

The fix itself is the same in 8u60 as in 9.

Thanks,
Stefan