git: openjdk/jdk21u-dev: master: 8319793: C2 compilation fails with "Bad graph detected in build_loop_late" after JDK-8279888

[Martin Doerr]

Changeset: df030542
Author:    Martin Doerr <mdoerr at openjdk.org>
Date:      2024-06-14 15:13:09 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/df030542eb11bb3482e2a8c7c8a477a333a409c8

8319793: C2 compilation fails with "Bad graph detected in build_loop_late" after JDK-8279888

Reviewed-by: mbaesken
Backport-of: b922f8d45951250b7c39cb179b9bc1a8a6256a9e

! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp
! src/hotspot/share/opto/castnode.cpp
! src/hotspot/share/opto/castnode.hpp
! src/hotspot/share/opto/cfgnode.hpp
! src/hotspot/share/opto/ifnode.cpp
! src/hotspot/share/opto/loopPredicate.cpp
! src/hotspot/share/opto/loopUnswitch.cpp
! src/hotspot/share/opto/loopnode.hpp
! src/hotspot/share/opto/loopopts.cpp
! src/hotspot/share/opto/memnode.cpp
! src/hotspot/share/opto/memnode.hpp
! src/hotspot/share/opto/node.hpp
+ test/hotspot/jtreg/compiler/rangechecks/TestArrayAccessAboveRCAfterSmearingOrPredication.java
+ test/hotspot/jtreg/compiler/rangechecks/TestArrayAccessCastIIAboveRC.java