RFR: 8340205: Native linker allows MemoryLayout consisting of only PaddingLayout [v5]

[Maurizio Cimadamore]

On Mon, 23 Sep 2024 16:35:18 GMT, Per Minborg <pminborg at openjdk.org> wrote:

>> This PR prevents sequence layout with padding to be used with the Linker.
>
> Per Minborg has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Reword doce

src/java.base/share/classes/jdk/internal/foreign/abi/AbstractLinker.java line 225:

> 223:     // check elements are not all padding layouts and for trailing padding
> 224:     private void checkGroup(GroupLayout gl, long maxUnpaddedOffset) {
> 225:         if (!gl.memberLayouts().isEmpty() && gl.memberLayouts().stream().allMatch(e -> e instanceof PaddingLayout)) {

You have fixed the javadoc - but the check for `memberLayouts().isEmpty()` is still here?

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PR Review Comment: https://git.openjdk.org/jdk/pull/21041#discussion_r1771774880