hg: shenandoah/jdk9/hotspot: Make sure interned strings are alive in Shenandoah.

[roman at kennke.org]

Changeset: 8e80be01c9cd
Author:    rkennke
Date:      2015-10-31 15:21 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/8e80be01c9cd

Make sure interned strings are alive in Shenandoah.

! src/share/vm/classfile/stringTable.cpp