RFR (S): 7167254: Crash on OSX in Enumerator.nextElement() with compressed oops

[Dmitry Samersoff]

Roland,

Could you fix comments as well? Otherwise looks good for me.

-Dmitry


On 2012-05-15 16:38, Roland Westrelin wrote:
> http://cr.openjdk.java.net/~roland/7167254/webrev.00/
> 
> Crashes were reported for 64 bit VMs on OSX running in "compressed oops with base" mode. The crash is caused by a SIGBUS on a correctly aligned access to the first page of the heap which is used for implicit null checks. With this change hotspot on OSX expects either a SIGBUS or SIGSEGV for implicit null checks.
> 
> Roland.


-- 
Dmitry Samersoff
Java Hotspot development team, SPB04
* There will come soft rains ...