hg: panama/dev: Automatic merge with foreign

[maurizio.cimadamore at oracle.com]

Changeset: 4494790044b4
Author:    mcimadamore
Date:      2019-03-28 13:14 +0100
URL:       http://hg.openjdk.java.net/panama/dev/rev/4494790044b4

Automatic merge with foreign

! test/jdk/com/sun/tools/jextract/TestUpcall.java