hg: jdk10/hs: 8187780: VM crashes while generating replay compilation file

[tobias.hartmann at oracle.com]

Changeset: 4d034d861e13
Author:    thartmann
Date:      2017-09-28 11:02 +0200
URL:       http://hg.openjdk.java.net/jdk10/hs/rev/4d034d861e13

8187780: VM crashes while generating replay compilation file
Summary: Fixed two problems with generation of replay file.
Reviewed-by: kvn

! src/hotspot/share/ci/ciInstanceKlass.cpp
! src/hotspot/share/opto/bytecodeInfo.cpp
+ test/hotspot/jtreg/compiler/ciReplay/TestDumpReplay.java