hg: jdk/jdk14: 8233164: C2 fails with assert(phase->C->get_alias_index(t) == phase->C->get_alias_index(t_adr)) failed: correct memory chain

[tobias.hartmann at oracle.com]

Changeset: be9033a248f7
Author:    thartmann
Date:      2019-12-23 09:44 +0100
URL:       https://hg.openjdk.java.net/jdk/jdk14/rev/be9033a248f7

8233164: C2 fails with assert(phase->C->get_alias_index(t) == phase->C->get_alias_index(t_adr)) failed: correct memory chain
Summary: Use _src_type/_dest_type as address types for the loads and stores.
Reviewed-by: vlivanov, roland

! src/hotspot/share/opto/arraycopynode.cpp
! src/hotspot/share/opto/arraycopynode.hpp
! src/hotspot/share/opto/memnode.cpp
+ test/hotspot/jtreg/compiler/arraycopy/TestArrayCopyMemoryChain.java