[13] RFR (S): 8217760: C2: Missing symbolic info on a call from intrinsics when invoked through MethodHandle

Vladimir Ivanov vladimir.x.ivanov at oracle.com
Fri Jan 25 21:34:41 UTC 2019

Thanks for reviews, Tobias & Roland.

Best regards,
Vladimir Ivanov

On 24/01/2019 17:24, Vladimir Ivanov wrote:
> http://cr.openjdk.java.net/~vlivanov/8217760/webrev.00/
> https://bugs.openjdk.java.net/browse/JDK-8217760
> If an intrinsic is called through MethodHandle and it contains a call, 
> then it crashes at the call site during resolution due to inconsistent 
> symbolic info: bytecode refers to method handle linker (MH::linkTo*), 
> but the call invokes some concrete method (result of inlining through 
> the linker).
> The fix is to explicitly attach symbolic info to the call using the 
> machinery introduced by JDK-8072008 [1].
> Testing: hs-precheckin-comp, hs-tier1, hs-tier2, hs-tier3
> Best regards,
> Vladimir Ivanov
> [1] https://bugs.openjdk.java.net/browse/JDK-8072008

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