hg: jdk9/sandbox/hotspot: 8180813: Null pointer dereference of CodeCache::find_blob() result

[chris.hegarty at oracle.com]

Changeset: 63ac6d565c21
Author:    thartmann
Date:      2017-05-24 16:53 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/hotspot/rev/63ac6d565c21

8180813: Null pointer dereference of CodeCache::find_blob() result
Summary: Fixed missing null checks on the result of CodeCache::find_blob() found by Parfait.
Reviewed-by: shade, kvn

! src/share/vm/code/relocInfo.cpp
! src/share/vm/runtime/sharedRuntime.cpp