8352076: [21u] Problem list tests that fail in 21 and would be fixed by 8309622

Backport-of: 5ff88f61f6ab04ddf3936f8b249f9a48974f53d1

Author: GoeLin

test/hotspot/jtreg/ProblemList.txt

@@ -78,10 +78,13 @@ gc/epsilon/TestMemoryMXBeans.java 8206434 generic-all
 gc/g1/humongousObjects/objectGraphTest/TestObjectGraphAfterGC.java 8156755 generic-all
 gc/g1/logging/TestG1LoggingFailure.java 8169634 generic-all
 gc/g1/humongousObjects/TestHeapCounters.java 8178918 generic-all
+gc/shenandoah/TestAllocIntArrays.java#aggressive 8309622 generic-all
+gc/shenandoah/TestAllocIntArrays.java#iu-aggressive 8309622 generic-all
 gc/stress/CriticalNativeStress.java#id1 8312028 generic-all
 gc/stress/gclocker/TestExcessGCLockerCollections.java 8229120 generic-all
 gc/stress/gclocker/TestGCLockerWithParallel.java 8180622 generic-all
 gc/stress/gclocker/TestGCLockerWithG1.java 8180622 generic-all
+gc/stress/gcold/TestGCOldWithShenandoah.java#iu-aggressive 8309622 generic-all
 gc/stress/TestJNIBlockFullGC/TestJNIBlockFullGC.java 8192647 generic-all
 
 applications/jcstress/acqrel.java 8277434 linux-aarch64