hg: jdk/submit: 8231055: C2: arraycopy with same non escaping src and dest but different positions causes wrong execution

[rwestrel at redhat.com]

Changeset: 1ad3b7ccebaf
Author:    roland
Date:      2019-09-17 15:58 +0200
URL:       https://hg.openjdk.java.net/jdk/submit/rev/1ad3b7ccebaf

8231055: C2: arraycopy with same non escaping src and dest but different positions causes wrong execution
Reviewed-by: thartmann, vlivanov

! src/hotspot/share/opto/macro.cpp
! test/hotspot/jtreg/compiler/escapeAnalysis/TestSelfArrayCopy.java