hg: jdk/jdk14: 8236140: assert(!VerifyHashTableKeys || _hash_lock == 0) failed: remove node from hash table before modifying it

[christian.hagedorn at oracle.com]

Changeset: f393f34a48cd
Author:    chagedorn
Date:      2020-01-09 16:14 +0100
URL:       https://hg.openjdk.java.net/jdk/jdk14/rev/f393f34a48cd

8236140: assert(!VerifyHashTableKeys || _hash_lock == 0) failed: remove node from hash table before modifying it
Summary: Add missing rehashing for modified node in InitializeNode::complete_stores().
Reviewed-by: neliasso, thartmann

! src/hotspot/share/opto/memnode.cpp
! src/hotspot/share/opto/memnode.hpp
+ test/hotspot/jtreg/compiler/macronodes/TestCompleteVolatileStore.java