hg: jdk/sandbox: 8200450: Root cause analysis for JDK-8200366

[chris.hegarty at oracle.com]

Changeset: f909f09569ca
Author:    lucy
Date:      2018-04-18 21:10 -0700
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/f909f09569ca

8200450: Root cause analysis for JDK-8200366
Summary: add safeguard checks to make sure CodeBlob if fully initialized
Reviewed-by: kvn

! src/hotspot/share/code/codeHeapState.cpp
! src/hotspot/share/code/codeHeapState.hpp
! src/hotspot/share/services/diagnosticCommand.cpp