hg: jdk/sandbox: 8233491: Crash in AdapterHandlerLibrary::get_adapter with CDS due to code cache exhaustion

[chris.hegarty at oracle.com]

Changeset: 00244fd3169a
Author:    thartmann
Date:      2019-11-07 07:02 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/00244fd3169a

8233491: Crash in AdapterHandlerLibrary::get_adapter with CDS due to code cache exhaustion
Summary: Added null check.
Reviewed-by: kvn, iklam

! src/hotspot/share/runtime/sharedRuntime.cpp