RFR : JDK-8166110 : C2 crash in compiling method handles

Dmitry Chuyko dmitry.chuyko at oracle.com
Fri Feb 3 15:42:16 UTC 2017

The link url may be wrong depending on how html is handled by email 
client. Thanks to those who noticed that.

Webrev: http://cr.openjdk.java.net/~vlivanov/dchuyko/8166110/webrev.00/


On 02/03/2017 05:19 PM, Dmitry Chuyko wrote:
> Summary: some method handles can be used with actual parameters not 
> matching their signatures. It's too expensive to check this on call 
> but possible to check during inlining. Inlined MHs with wrong usage 
> caused further assertion failures in debug builds. The fix adds checks 
> for signatures match during MH inlining so it fails if they are not 
> matching. New test checks linkToStatic and invokeBasic cases.
> Bug: https://bugs.openjdk.java.net/browse/JDK-8166110
> Webrev: http://cr.openjdk.java.net/~vlivanov/dchuyko/8166110/webrev.00/
> Testing: new test, Hotspot and JDK tests, promotion benchmarks.
> Thanks,
> -Dmitry

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