git: openjdk/jdk20u: master: 8296318: use-def assert: special case undetected loops nested in infinite loops

[Tobias Hartmann]

Changeset: 8ef9ff3e
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2023-04-11 14:25:47 +0000
URL:       https://git.openjdk.org/jdk20u/commit/8ef9ff3e4d774473cc59948994dbb5ac33258bbc

8296318: use-def assert: special case undetected loops nested in infinite loops

Backport-of: 736fcd49f7cd3aa6f226b2e088415eaf05f97ee8

! src/hotspot/share/opto/block.cpp
! src/hotspot/share/opto/cfgnode.cpp
! src/hotspot/share/opto/cfgnode.hpp
! src/hotspot/share/opto/loopnode.cpp
+ test/hotspot/jtreg/compiler/loopopts/TestUndetectedLoopInInfiniteLoop.java