[9] RFR (XS): 8150320: C1: Illegal bci in debug info for MH::linkTo* methods

Vladimir Kozlov vladimir.kozlov at oracle.com
Thu Mar 10 19:12:41 UTC 2016


Vladimir K

On 3/9/16 5:09 AM, Vladimir Ivanov wrote:
> http://cr.openjdk.java.net/~vlivanov/8150320/webrev.00/
> https://bugs.openjdk.java.net/browse/JDK-8150320
> C1 doesn't attach any bci info to TypeCast nodes which narrow receiver
> and argument types when inlining through MH::linkTo* happens.
> The fix is to switch from parse-only to complete JVM state.
> No test case provided since it is hard to trigger the problem in a unit
> test.
> Testing: verified that the assert doesn't fire anymore w/ a long-running
> javac.
> Thanks!
> Best regards,
> Vladimir Ivanov

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