[foreign-memaccess+abi] RFR: 8300785: Add way to select group element paths by index

[Jorn Vernee]

On Fri, 20 Jan 2023 16:11:09 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

>> Good point - it was my intention but got distracted :-)
>
> actually... there is such a test:
> 
> 
> @Test(expectedExceptions = IllegalArgumentException.class)
>     public void testTooBigGroupElementIndex() {
>         GroupLayout g = MemoryLayout.structLayout(JAVA_INT);
>         g.byteOffset(groupElement(1));
>     }

Ah sorry! I misread that code as selecting the first element 📦

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

PR: https://git.openjdk.org/panama-foreign/pull/773