ZGC: vmTestbase/gc/gctests/SoftReference/soft004/soft004.java fails with assert(_phases->length() <= 1000) failed: Too many recored phases?

# Internal Error (.../open/src/hotspot/share/gc/shared/gcTimer.cpp:133), pid=7430, tid=7439
# assert(_phases->length() <= 1000) failed: Too many recored phases?
#
# JRE version: Java(TM) SE Runtime Environment (18.0+20) (fastdebug build 18-ea+20-1190)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 18-ea+20-1190, mixed mode, sharing, tiered, compressed class ptrs, z gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0xcfeb24] ConcurrentGCTimer::register_gc_concurrent_start(char const*, TimeInstant<CompositeCounterRepresentation, CompositeElapsedCounterSource> const&)+0x174
#

Stack trace:

Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0xcfeb24] ConcurrentGCTimer::register_gc_concurrent_start(char const*, TimeInstant<CompositeCounterRepresentation, CompositeElapsedCounterSource> const&)+0x174
V [libjvm.so+0x1a70fe0] ZStatPhaseConcurrent::register_start(TimeInstant<CompositeCounterRepresentation, CompositeElapsedCounterSource> const&) const+0x20
V [libjvm.so+0x1a10515] ZDriver::gc(ZDriverRequest const&)+0x4e5
V [libjvm.so+0x1a11fcf] ZDriver::run_service()+0x1ef
V [libjvm.so+0xa3df0b] ConcurrentGCThread::run()+0x2b