On Sun, 4 May 2025 19:35:15 GMT, Luca Kellermann <d...@openjdk.org> wrote:
>> Chen Liang has updated the pull request with a new target base due to a >> merge or a rebase. The incremental webrev excludes the unrelated changes >> brought in by the merge/rebase. The pull request contains five additional >> commits since the last revision: >> >> - Merge branch 'master' of https://github.com/openjdk/jdk into exp/ffm-lcms >> - Use more simple function descriptor >> - Simplify FFM linker warmup >> - Merge branch 'master' of https://github.com/openjdk/jdk into exp/ffm-lcms >> - Wip work trying to speed up FFM > > src/java.base/share/classes/java/lang/foreign/Linker.java line 866: > >> 864: .map(CapturableState::forName) >> 865: .mapToInt(state -> 1 << state.ordinal()) >> 866: .sum(); > > Using `sum` means the result will be incorrect if `capturedState` contains a > valid name multiple times: > > var option = > (LinkerOptions.CaptureCallState)Linker.Option.captureCallState("WSAGetLastError", > "WSAGetLastError"); > > // will print [ERRNO] on Windows > System.out.println(option.saved()); > > > option = > (LinkerOptions.CaptureCallState)Linker.Option.captureCallState("errno", > "errno"); > > // will throw IndexOutOfBoundsException on all platforms > option.saved(); Hmm, I intentionally checked `toSet` does not reject duplicates but forgot about this part. Anyways this stream code is problematic; will fix this in a patch that removes this stream code wholesale. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/24742#discussion_r2072703688