git: openjdk/jdk17u-dev: 8314024: SIGSEGV in PhaseIdealLoop::build_loop_late_post_work due to bad immediate dominator info

[Yuri Nesterenko]

Changeset: bb2fcb89
Author:    Roman Marchenko <rmarchenko at openjdk.org>
Committer: Yuri Nesterenko <yan at openjdk.org>
Date:      2023-09-07 14:11:54 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/bb2fcb894e59408f3e5df06e76974dca3e6f0595

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

Backport-of: ed1ea5fe7c6fad03ca96e7dece2127eab21a608a

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