8356866: Cleanup hotspot/jtreg/ProblemList.txt

Reviewed-by: syan, tschatzl

Author: lkorinth

test/hotspot/jtreg/ProblemList.txt

@@ -47,7 +47,8 @@ compiler/compilercontrol/jcmd/ClearDirectivesFileStackTest.java 8225370 generic-
 
 compiler/cpuflags/TestAESIntrinsicsOnSupportedConfig.java 8190680 generic-all
 
-compiler/runtime/Test8168712.java 8211769,8211771 generic-ppc64,generic-ppc64le,linux-s390x
+compiler/runtime/Test8168712.java#with-dtrace 8211769,8211771 generic-ppc64,generic-ppc64le,linux-s390x
+compiler/runtime/Test8168712.java#without-dtrace 8211769,8211771 generic-ppc64,generic-ppc64le,linux-s390x
 compiler/loopopts/TestUnreachableInnerLoop.java 8288981 linux-s390x
 
 compiler/c2/Test8004741.java 8235801 generic-all
@@ -88,7 +89,6 @@ gc/g1/logging/TestG1LoggingFailure.java 8169634 generic-all
 gc/g1/humongousObjects/TestHeapCounters.java 8178918 generic-all
 gc/TestAllocHumongousFragment.java#adaptive 8298781 generic-all
 gc/TestAllocHumongousFragment.java#aggressive 8298781 generic-all
-gc/TestAllocHumongousFragment.java#iu-aggressive 8298781 generic-all
 gc/TestAllocHumongousFragment.java#g1 8298781 generic-all
 gc/TestAllocHumongousFragment.java#static 8298781 generic-all
 gc/TestAlwaysPreTouchBehavior.java#ParallelCollector 8334513 generic-all