git: openjdk/jdk: master: 8370332: C2 SuperWord: SIGSEGV because PhaseIdealLoop::split_thru_phi left dead nodes in loop _body

[Emanuel Peter]

Changeset: 75e37b06
Branch: master
Author:    Emanuel Peter <epeter at openjdk.org>
Date:      2025-11-04 07:39:11 +0000
URL:       https://git.openjdk.org/jdk/commit/75e37b06c3e37ee49719a0c0d6b4ab2c4ff76098

8370332: C2 SuperWord: SIGSEGV because PhaseIdealLoop::split_thru_phi left dead nodes in loop _body

Reviewed-by: chagedorn, roland

! src/hotspot/share/opto/loopnode.hpp
! src/hotspot/share/opto/loopopts.cpp
! src/hotspot/share/opto/node.cpp
! src/hotspot/share/opto/node.hpp
+ test/hotspot/jtreg/compiler/loopopts/TestSplitThruPhiRemoveDeadNodesFromLoopBody.java