hg: panama/dev: manual merge with foreign

[maurizio.cimadamore at oracle.com]

Changeset: 397111773cfa
Author:    mcimadamore
Date:      2019-05-31 10:58 +0100
URL:       http://hg.openjdk.java.net/panama/dev/rev/397111773cfa

manual merge with foreign

! src/java.base/share/classes/jdk/internal/foreign/abi/DirectSignatureShuffler.java
! src/java.base/share/classes/jdk/internal/foreign/abi/UniversalNativeInvoker.java
! src/java.base/share/classes/jdk/internal/foreign/abi/UniversalUpcallHandler.java
! src/java.base/share/classes/jdk/internal/foreign/abi/x64/sysv/SysVx64ABI.java
! src/java.base/share/classes/jdk/internal/foreign/abi/x64/windows/Windowsx64ABI.java