hg: panama/dev: 8237351: Add method to SystemABI for explicitly freeing upcall stubs

[jorn.vernee at oracle.com]

Changeset: ca1766a4d66f
Author:    jvernee
Date:      2020-01-17 14:32 +0100
URL:       https://hg.openjdk.java.net/panama/dev/rev/ca1766a4d66f

8237351: Add method to SystemABI for explicitly freeing upcall stubs
Reviewed-by: mcimadamore

! src/hotspot/share/prims/upcallStubs.cpp
! src/jdk.incubator.foreign/share/classes/jdk/incubator/foreign/SystemABI.java
! src/jdk.incubator.foreign/share/classes/jdk/internal/foreign/abi/UpcallStubs.java
! test/jdk/java/foreign/CallGeneratorHelper.java
! test/jdk/java/foreign/StdLibTest.java
! test/jdk/java/foreign/TestUpcall.java
+ test/jdk/java/foreign/TestUpcallStubs.java