git: openjdk/jdk: master: 8371464: C2: assert(no_dead_loop) failed: dead loop detected

[Roland Westrelin]

Changeset: a62296d8
Branch: master
Author:    Roland Westrelin <roland at openjdk.org>
Date:      2025-12-02 14:00:21 +0000
URL:       https://git.openjdk.org/jdk/commit/a62296d8a0858d63a930e91168254a9927f06783

8371464: C2: assert(no_dead_loop) failed: dead loop detected

Reviewed-by: chagedorn, dfenacci

! src/hotspot/share/opto/cfgnode.cpp
! src/hotspot/share/opto/cfgnode.hpp
+ test/hotspot/jtreg/compiler/c2/TestDeadLoopAtMergeMem.java