git: openjdk/jdk18u: master: 8282045: When loop strip mining fails, safepoints are removed from loop anyway

[Tobias Hartmann]

Changeset: a65922ba
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2022-04-06 05:01:02 +0000
URL:       https://git.openjdk.java.net/jdk18u/commit/a65922baf557ec05e0f8456d5c43862a5c451edd

8282045: When loop strip mining fails, safepoints are removed from loop anyway

Backport-of: 2c5d266f9f20005bc2a6c30dcaa95b059ea59d74

! src/hotspot/share/opto/loopnode.cpp
+ test/hotspot/jtreg/compiler/c2/irTests/TestStripMiningDropsSafepoint.java
! test/hotspot/jtreg/compiler/lib/ir_framework/IRNode.java