8275329: ZGC: vmTestbase/gc/gctests/SoftReference/soft004/soft004.java fails with assert(_phases->length() <= 1000) failed: Too many recored phases?

Backport-of: 6b833db3f9cace8fbb09bb803ba31208e37a4622

Author: Andrew Lu

src/hotspot/share/gc/shared/gcTimer.cpp

@@ -24,6 +24,7 @@
 
 #include "precompiled.hpp"
 #include "gc/shared/gcTimer.hpp"
+#include "gc/shared/gc_globals.hpp"
 #include "utilities/growableArray.hpp"
 
 // the "time" parameter for most functions
@@ -129,7 +130,7 @@ void TimePartitions::clear() {
 }
 
 void TimePartitions::report_gc_phase_start(const char* name, const Ticks& time, GCPhase::PhaseType type) {
-  assert(_phases->length() <= 1000, "Too many recorded phases? (count: %d)", _phases->length());
+  assert(UseZGC || _phases->length() <= 1000, "Too many recorded phases? (count: %d)", _phases->length());
 
   int level = _active_phases.count();