hg: jdk/jdk: 8239347: Refactor Symbol to make _length a standalone field again

[claes.redestad at oracle.com]

Changeset: d23e418e91fe
Author:    redestad
Date:      2020-02-20 13:18 +0100
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/d23e418e91fe

8239347: Refactor Symbol to make _length a standalone field again
Reviewed-by: iklam, coleenp

! make/hotspot/src/native/dtrace/generateJvmOffsets.cpp
! src/hotspot/os/solaris/dtrace/jhelper.d
! src/hotspot/share/oops/symbol.cpp
! src/hotspot/share/oops/symbol.hpp
! src/hotspot/share/runtime/vmStructs.cpp
! src/java.base/solaris/native/libjvm_db/libjvm_db.c
! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/Symbol.java