git: openjdk/jdk25u: master: 8368152: Shenandoah: Incorrect behavior at end of degenerated cycle

[Aleksey Shipilev]

Changeset: ac9a03a6
Branch: master
Author:    William Kemper <wkemper at openjdk.org>
Committer: Aleksey Shipilev <shade at openjdk.org>
Date:      2025-10-07 06:03:53 +0000
URL:       https://git.openjdk.org/jdk25u/commit/ac9a03a67a28b172a0f20f15c1c5878b2b68ee76

8368152: Shenandoah: Incorrect behavior at end of degenerated cycle

Reviewed-by: kdnilsen, phh
Backport-of: f36c33c86df0400d2155bfadd9a6b5ea56743133

! src/hotspot/share/gc/shenandoah/shenandoahCollectorPolicy.cpp
! src/hotspot/share/gc/shenandoah/shenandoahCollectorPolicy.hpp
! src/hotspot/share/gc/shenandoah/shenandoahDegeneratedGC.cpp
! src/hotspot/share/gc/shenandoah/shenandoahDegeneratedGC.hpp
+ test/hotspot/gtest/gc/shenandoah/test_shenandoahCollectorPolicy.cpp