git: openjdk/mobile: 8232592: <Unknown compiled code> is shown in jstack mixed mode

[duke]

Changeset: c6672a2f
Author:    Yasumasa Suenaga <ysuenaga at openjdk.org>
Date:      2019-10-23 10:02:26 +0000
URL:       https://git.openjdk.java.net/mobile/commit/c6672a2f

8232592: <Unknown compiled code> is shown in jstack mixed mode

Reviewed-by: cjplummer, phh

! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/tools/PStack.java