git: openjdk/jdk21u: master: 8314024: SIGSEGV in PhaseIdealLoop::build_loop_late_post_work due to bad immediate dominator info

Mon Sep 4 12:53:16 UTC 2023

Changeset: efb11c1b
Author:    Roman Marchenko <rmarchenko at openjdk.org>
Committer: Tobias Hartmann <thartmann at openjdk.org>
Date:      2023-09-04 12:50:00 +0000
URL:       https://git.openjdk.org/jdk21u/commit/efb11c1b185d5d1633f8a1696b9470b2a37a5d08

8314024: SIGSEGV in PhaseIdealLoop::build_loop_late_post_work due to bad immediate dominator info

Reviewed-by: thartmann
Backport-of: ed1ea5fe7c6fad03ca96e7dece2127eab21a608a

! src/hotspot/share/opto/loopTransform.cpp
! src/hotspot/share/opto/loopopts.cpp
+ test/hotspot/jtreg/compiler/loopopts/TestNodeSunkFromPreLoop.java