hg: jdk/jdk: 8205509: assert(_name_and_id != 0LL) failed: encountered a class loader null name and id

[lois.foltan at oracle.com]

Changeset: 00c4edaf2017
Author:    lfoltan
Date:      2018-06-25 10:34 -0400
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/00c4edaf2017

8205509: assert(_name_and_id != 0LL) failed: encountered a class loader null name and id
Summary: The method loader_name_and_id should return the external name of the class loader if _name_and_id is null.
Reviewed-by: coleenp, stuefe

! src/hotspot/share/classfile/classLoaderData.cpp
! src/hotspot/share/classfile/classLoaderData.hpp