hg: jdk8u/jdk8u-dev/hotspot: 8223664: Add jtreg tests for 8223528, backport to jdk8u of 8176100

[paul.hohensee at gmail.com]

Changeset: e86bc9786d83
Author:    phh
Date:      2019-05-10 18:50 +0000
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/e86bc9786d83

8223664: Add jtreg tests for 8223528, backport to jdk8u of 8176100
Summary: Add hotspot/test/runtime/jni directory with two tests for 8176100
Reviewed-by: kbarrett, coleenp, tschatzl

+ test/runtime/jni/CallWithJNIWeak/CallWithJNIWeak.c
+ test/runtime/jni/CallWithJNIWeak/CallWithJNIWeak.java
+ test/runtime/jni/CallWithJNIWeak/test.sh
+ test/runtime/jni/ReturnJNIWeak/ReturnJNIWeak.c
+ test/runtime/jni/ReturnJNIWeak/ReturnJNIWeak.java
+ test/runtime/jni/ReturnJNIWeak/test.sh