hg: jdk/sandbox: 8220496: Race in java_lang_String::length() when deduplicating

[chris.hegarty at oracle.com]

Changeset: fab8496eb541
Author:    redestad
Date:      2019-03-13 17:32 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/fab8496eb541

8220496: Race in java_lang_String::length() when deduplicating
Reviewed-by: rkennke, pliden

! src/hotspot/share/classfile/javaClasses.cpp
! src/hotspot/share/classfile/javaClasses.hpp
! src/hotspot/share/classfile/javaClasses.inline.hpp
! src/hotspot/share/gc/shared/stringdedup/stringDedupTable.cpp
! src/hotspot/share/gc/shared/stringdedup/stringDedupTable.hpp