hg: jdk/sandbox: 8211852: inspect stack during error reporting

[chris.hegarty at oracle.com]

Changeset: 9e6158f12068
Author:    mdoerr
Date:      2018-10-15 08:08 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/9e6158f12068

8211852: inspect stack during error reporting
Reviewed-by: dholmes, goetz

! src/hotspot/share/runtime/os.cpp
! src/hotspot/share/utilities/vmError.cpp