hg: jdk/sandbox: 8238385: CTW: C2 (Shenandoah) compilation fails with "Range check dependent CastII node was not removed"

[chris.hegarty at oracle.com]

Changeset: a7c55579c61c
Author:    roland
Date:      2020-02-07 13:59 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/a7c55579c61c

8238385: CTW: C2 (Shenandoah) compilation fails with "Range check dependent CastII node was not removed"
Reviewed-by: rkennke, shade

! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
+ test/hotspot/jtreg/gc/shenandoah/compiler/FoldIfAfterExpansion.java