[9] RFR(XS): 8154763: Crash with "assert(RangeCheckElimination)" if RangeCheckElimination is disabled

Vladimir Kozlov vladimir.kozlov at oracle.com
Thu Apr 21 22:18:47 UTC 2016

Looks good.


On 4/21/16 6:56 AM, Tobias Hartmann wrote:
> Hi,
> please review the following patch:
> https://bugs.openjdk.java.net/browse/JDK-8154763
> http://cr.openjdk.java.net/~thartmann/8154763/webrev.00/
> JDK-8151573 introduced multiversioning for range check elimination. Explicitly turning of range check elimination now crashes the VM with an assert in PhaseIdealLoop::has_range_checks() because we assume that this is only called if range check elimination is enabled.
> I think we should disable multiversioning if range check elimination is turned off. I added the corresponding check.
> Tested with regression test and RBT (running).
> Thanks,
> Tobias

More information about the hotspot-compiler-dev mailing list