hg: jdk/sandbox: 8209541: Fix merge problem in SymbolTable::do_check_concurrent_work

[chris.hegarty at oracle.com]

Changeset: 0aa5378d4f09
Author:    coleenp
Date:      2018-08-15 16:01 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/0aa5378d4f09

8209541: Fix merge problem in SymbolTable::do_check_concurrent_work
Summary: remerged with previous change to do_unloading.
Reviewed-by: hseigel

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