git: openjdk/jdk: 8296389: C2: PhaseCFG::convert_NeverBranch_to_Goto must handle both orders of successors

[Emanuel Peter]

Changeset: fabda246
Author:    Emanuel Peter <epeter at openjdk.org>
Date:      2022-12-12 12:11:02 +0000
URL:       https://git.openjdk.org/jdk/commit/fabda246960cfdfff13c5a87de53d97169248172

8296389: C2: PhaseCFG::convert_NeverBranch_to_Goto must handle both orders of successors

Reviewed-by: thartmann, chagedorn

! src/hotspot/share/gc/g1/c2/g1BarrierSetC2.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
! src/hotspot/share/opto/block.cpp
! src/hotspot/share/opto/cfgnode.hpp
! src/hotspot/share/opto/loopPredicate.cpp
! src/hotspot/share/opto/loopnode.cpp
! src/hotspot/share/opto/loopopts.cpp
! src/hotspot/share/opto/node.hpp
+ test/hotspot/jtreg/compiler/loopopts/TestPhaseCFGNeverBranchToGoto.jasm
+ test/hotspot/jtreg/compiler/loopopts/TestPhaseCFGNeverBranchToGotoMain.java