hg: jdk/sandbox: 8232592: <Unknown compiled code> is shown in jstack mixed mode

[chris.hegarty at oracle.com]

Changeset: 083bbca50d2d
Author:    ysuenaga
Date:      2019-10-23 10:02 +0900
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/083bbca50d2d

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