Integrated: 8285007: Use correct lookup mode for MethodHandleStatics.UNSAFE
Claes Redestad
redestad at openjdk.java.net
Tue Apr 19 20:28:29 UTC 2022
On Tue, 19 Apr 2022 13:19:31 GMT, Claes Redestad <redestad at openjdk.org> wrote:
> Trivially fix the resolution of the `NF_UNSAFE` named function to use the appropriate lookup mode.
>
> In [JDK-8187826](https://bugs.openjdk.java.net/browse/JDK-8187826) we changed from regular reflection to use a `NamedFunction` for this field, but it appears the lookup mode came out wrong. This mismatch appears to be benign and ignored by HotSpot, but a user implementing an experimental JVM ran into some issues (and additionally noticed the resolve throws the wrong exception).
>
> This patch is a point fix to this particular issue, but I think we should consider following up with a stronger assertion or test for proper staticness of fields somewhere when resolving fields via `MemberName.getFactory().resolveOrNull(..)`.
This pull request has now been integrated.
Changeset: 5d1ec54d
Author: Claes Redestad <redestad at openjdk.org>
URL: https://git.openjdk.java.net/jdk/commit/5d1ec54d6c20dfe67a459c9d102cdfa0394bcc1e
Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
8285007: Use correct lookup mode for MethodHandleStatics.UNSAFE
Reviewed-by: psandoz, mchung
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PR: https://git.openjdk.java.net/jdk/pull/8297
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