Code review request: 7198529 NPG: assert with NMT code in Thread destructor

[Vladimir Kozlov]

Good.

Vladimir

Zhengyu Gu wrote:
> Thread's stack base address can be NULL, if the thread is never started 
> or exited before calling Thread::record_stack_base_and_size().
> 
> Webrev: http://cr.openjdk.java.net/~zgu/7198529/webrev.00/
> CR: http://monaco.sfbay.sun.com/detail.jsf?cr=7198529 (not available on 
> bugs.sun.com)
> 
> Thanks,
> 
> -Zhengyu
>