8267133: jdk/jfr/event/gc/collection/TestG1ParallelPhases.java fails with Not expected phases: RestorePreservedMarks, RemoveSelfForwardingPtr: expected true, was false

8267218: jdk/jfr/event/gc/collection/TestG1ParallelPhases.java fails with Not found phases\: StringDedupQueueFixup, StringDedupTableFixup

Co-authored-by: Thomas Schatzl <tschatzl@openjdk.org>
Reviewed-by: tschatzl, iwalulya

Author: albertnetymk

test/jdk/ProblemList.txt

@@ -833,7 +833,6 @@ jdk/jfr/event/compiler/TestCodeSweeper.java                     8225209    gener
 jdk/jfr/event/os/TestThreadContextSwitches.java                 8247776 windows-all
 jdk/jfr/startupargs/TestStartName.java                          8214685 windows-x64
 jdk/jfr/startupargs/TestStartDuration.java                      8214685 windows-x64
-jdk/jfr/event/gc/collection/TestG1ParallelPhases.java           8267133 generic-all
 
 ############################################################################
 

test/jdk/jdk/jfr/event/gc/collection/TestG1ParallelPhases.java

@@ -104,8 +104,6 @@ public static void main(String[] args) throws IOException {
             "CodeRoots",
             "ObjCopy",
             "Termination",
-            "StringDedupQueueFixup",
-            "StringDedupTableFixup",
             "RedirtyCards",
             "RecalculateUsed",
             "ResetHotCardCache",
@@ -123,6 +121,10 @@ public static void main(String[] args) throws IOException {
         // Some GC phases may or may not occur depending on environment. Filter them out
         // since we can not reliably guarantee that they occur (or not).
         Set<String> optPhases = of(
+            // The following two phases only occur on evacuation failure.
+            "RemoveSelfForwardingPtr",
+            "RestorePreservedMarks",
+
             "OptScanHR",
             "OptMergeRS",
             "OptCodeRoots",