SIGSEGV on PhaseIdealLoop::split_up?

[Aleksey Shipilev]

On 1/30/19 3:51 PM, Uwe Schindler wrote:
> as many of you know: I have no access to the OpenJDK bugtracker. I am currently on travel, but
> later today, I'd take the current problem and I may open a new bug in the OpenJDK issue tracker
> about this issue. The stack traces all look very similar, so there should be enough information
> to figure out where exactly the SIGSEGV is happening. To my knowledge of development, this should
> help to get the condition, why this is happening. Together with the Lucene Source code, you may
> figure out the conditions. Because this bug is quite new, there must be some change in Lucene
> that triggers this bug. With the information about where the SIGSEGV is happening in OpenJDK code
> and the commit logs in Lucene, we may figure out how the Lucene code changed so it causes that
> issue.
> 
> I will take the time and try to collect all information an OpenJDK developer needs to (hopefully)
> reproduce the issue.
> 
> Does this sound like a plan? Uwe

Yes. And try to run with fastdebug build, it might meaningfully assert, which may point to existing
bugreports or even fixes. You can build it yourself, or pull one from here: https://builds.shipilev.net/

-Aleksey