hg: jdk/sandbox: 8235332: TestInstanceCloneAsLoadsStores.java fails with -XX:+StressGCM

[chris.hegarty at oracle.com]

Changeset: 0905868db490
Author:    chagedorn
Date:      2020-01-31 09:32 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/0905868db490

8235332: TestInstanceCloneAsLoadsStores.java fails with -XX:+StressGCM
Summary: Account for GC barriers when skipping a cloned ArrayCopyNode in ConnectionGraph::find_inst_mem()
Reviewed-by: roland, neliasso

! src/hotspot/share/opto/escape.cpp
+ test/hotspot/jtreg/compiler/arraycopy/TestCloneAccessStressGCM.java