hg: jdk/jdk12: 8213825: assert(false) failed: Non-balanced monitor enter/exit! Likely JNI locking

[jamsheed.c.m at oracle.com]

Changeset: ca6f11c5acda
Author:    jcm
Date:      2019-01-23 23:24 -0800
URL:       http://hg.openjdk.java.net/jdk/jdk12/rev/ca6f11c5acda

8213825: assert(false) failed: Non-balanced monitor enter/exit! Likely JNI locking
Summary: skip sfpt optimization for Load is removed for Java Object's Markword Load.
Reviewed-by: kvn, dlong

! src/hotspot/share/opto/memnode.cpp