Seems like a missing include. C++ docs say `offsetof` is from `<cstddef>`, adding that include explicitly fixes the build. Seems to only happen with older GCCs, but it seems to be a happy accident it works on newer ones, probably through the transitive include somewhere.
Additional testing: - [x] Linux x86_64 fastdebug `tools/jpackage` tests - [x] Linux x86_64 release `tools/jpackage` tests ------------- Commit messages: - Sort - Fix Changes: https://git.openjdk.java.net/jdk18/pull/74/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk18&pr=74&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8279370 Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod Patch: https://git.openjdk.java.net/jdk18/pull/74.diff Fetch: git fetch https://git.openjdk.java.net/jdk18 pull/74/head:pull/74 PR: https://git.openjdk.java.net/jdk18/pull/74
