RFR: 8280469: C2: CHA support for interface calls when inlining through method handle linker [v2]

Vladimir Ivanov vlivanov at openjdk.org
Mon Nov 3 18:38:13 UTC 2025


> Expand the optimization for interface calls introduced by [JDK-6986483](https://bugs.openjdk.org/browse/JDK-6986483) to calls through `MethodHandle.linkToInterface`.
> 
> The implementation is straightforward except the fact that symbolic information is lost during `MemberName` resolution. The fix uses declaring class instead, but it's more conservative than what is done for invokeinterface case.  
> 
> Testing: hs-tier1 - hs-tier5

Vladimir Ivanov has updated the pull request incrementally with one additional commit since the last revision:

  naming

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/28094/files
  - new: https://git.openjdk.org/jdk/pull/28094/files/0bf3f2b6..12561a6d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28094&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28094&range=00-01

  Stats: 3 lines in 1 file changed: 1 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/28094.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28094/head:pull/28094

PR: https://git.openjdk.org/jdk/pull/28094


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