[JDK-8317545](https://bugs.openjdk.org/browse/JDK-8317545) introduced code for supporting 4 Byte aligned doubles: https://github.com/openjdk/jdk/blob/60e0730a3ba26180d0eb2cd278e389c3e70fec5f/src/java.base/share/classes/jdk/internal/foreign/abi/ppc64/aix/AixPPC64Linker.java#L59 We should test this case. The new test is implemented platform agnostic, such that it can run on all platforms.
------------- Commit messages: - 8346869: [AIX] Add regression test for handling 4 Byte aligned doubles in structures Changes: https://git.openjdk.org/jdk/pull/22889/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22889&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8346869 Stats: 178 lines in 2 files changed: 178 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/22889.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/22889/head:pull/22889 PR: https://git.openjdk.org/jdk/pull/22889
