7063674: Wrong results from basic comparisons after calls to Long.bitCount(long)

Vladimir Kozlov vladimir.kozlov at oracle.com
Mon Jun 11 09:13:29 PDT 2012


Thank you for finding this issue. Alan redirected this bug to us (jvm/Hotspot/C2 
category) and we will look on it.


Ismael Juma wrote:
> Hi all,
> I came across 7063674[1] via a post in the BDB JE forums[1] and it seems pretty 
> nasty, so I thought I'd raise the issue here in case it was misfiled (as it has 
> happened a few times in the past). I used the simpler test case in the comments 
> and I was able to reproduce the issue with both 1.7.0_04-b20 and 1.8.0-ea-b42.
> Best,
> Ismael
> [1] https://forums.oracle.com/forums/thread.jspa?threadID=2399303

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