hg: jdk8u/jdk8u-dev/jdk: 8226809: Circular reference in printed stack trace is not correctly indented & ambiguous

[shade at redhat.com]

Changeset: ef41e0d32c15
Author:    darcy
Date:      2019-06-28 18:51 -0700
URL:       https://hg.openjdk.java.net/jdk8u/jdk8u-dev/jdk/rev/ef41e0d32c15

8226809: Circular reference in printed stack trace is not correctly indented & ambiguous
Reviewed-by: bpb

! src/share/classes/java/lang/Throwable.java