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

[Roland Westrelin]

Changeset: ed1ea5fe
Author:    Roland Westrelin <roland at openjdk.org>
Date:      2023-08-30 07:52:05 +0000
URL:       https://git.openjdk.org/jdk/commit/ed1ea5fe7c6fad03ca96e7dece2127eab21a608a

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

Reviewed-by: kvn, chagedorn

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