Request for review: 7110428 Crash during HeapDump operation

[poonam.bajaj at oracle.com]

Hi,

Can I get a couple of reviews for this change:

CR 7110428: Crash during HeapDump operation
http://monaco.sfbay.sun.com/detail.jsf?cr=7110428

The crash happens when VM thread traverses the heap during heapdump 
operation and it finds the heap in non-parseable state. The heap can be 
left in non-parseable state if due to some reason GC is skipped and we 
didn't call ensure_parsability() either before dumping the heap. The 
solution is to always call ensure_parsability() In 
VM_HeapDumper::doit(), whether or not a GC is requested before the heap 
dumping.

http://cr.openjdk.java.net/~poonam/7110428/webrev.00/


Thanks,
Poonam


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