[Integrated] RFR: 8238320: What is the alignment of padding layouts?

[Maurizio Cimadamore]

Changeset: 2a345730
Author:    Maurizio Cimadamore <mcimadamore at openjdk.org>
Date:      2020-02-07 16:30:16 +0000
URL:       https://git.openjdk.java.net/panama-foreign/commit/2a345730

8238320: What is the alignment of padding layouts?

Reviewed-by: jvernee, psandoz

! src/jdk.incubator.foreign/share/classes/jdk/incubator/foreign/MemoryLayout.java
! src/jdk.incubator.foreign/share/classes/jdk/incubator/foreign/PaddingLayout.java
! test/jdk/java/foreign/TestLayouts.java