6559156: My favorite defect

steve goldman Steve.Goldman at Sun.COM
Mon Nov 26 12:59:03 PST 2007

rgougol at email.sjsu.edu wrote:
> Hello everybody,
> I am trying and hoping to remove the defect 6559156,
> http://bugs.sun.com/view_bug.do?bug_id=6559156. In fact, I am supposed to have a
> contribution by the next two weeks as a requirement of my course CS286: Open
> Source Development, http://www.horstmann.com/sjsu/cs286/gs.html. Will I have the
> chance? If not, would you provide me an alternative defect removal or RFE as
> soon as possible. 

You should try an pick another defect.
> My assumption is that the defect exists in file /src/share/vm/opto/subnode.cpp
> within optimizations of integer cmp. I wish I could trace the server compiler at
> this file using GDB. 

My understanding is that is an incorrect assumption and that the problem 
is related to the guard expressions created in order to create pre/post 
loops and unrolling and that the fix is rather complicated.


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