hg: jdk10/hs/hotspot: 8140685: Fix backtrace building to not rely on constant pool merging

[coleen.phillimore at oracle.com]

Changeset: a26b9492461b
Author:    coleenp
Date:      2017-02-01 17:56 -0500
URL:       http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/a26b9492461b

8140685: Fix backtrace building to not rely on constant pool merging
Summary: Store Symbol* for the name in the backtrace
Reviewed-by: gtriantafill, dholmes, kbarrett, lfoltan

! src/share/vm/classfile/javaClasses.cpp
! src/share/vm/classfile/javaClasses.hpp
! src/share/vm/memory/oopFactory.cpp
! src/share/vm/memory/oopFactory.hpp
! src/share/vm/oops/typeArrayOop.hpp