8240563: [TESTBUG] WB_IsCDSIncludedInVmBuild should support uncompres…

…sed oops/klasses

With 8232069, CDS works with uncompressed oops/kalsses, detecting CDS code no longer bases on the two flags.

Reviewed-by: iklam

src/hotspot/share/prims/whitebox.cpp

@@ -2003,12 +2003,6 @@ WB_END
 
 WB_ENTRY(jboolean, WB_IsCDSIncludedInVmBuild(JNIEnv* env))
 #if INCLUDE_CDS
-# ifdef _LP64
-    if (!UseCompressedOops || !UseCompressedClassPointers) {
-      // On 64-bit VMs, CDS is supported only with compressed oops/pointers
-      return false;
-    }
-# endif // _LP64
   return true;
 #else
   return false;

test/hotspot/jtreg/ProblemList-zgc.txt

@@ -40,6 +40,7 @@ serviceability/sa/ClhsdbThread.java                           8220624   generic-
 serviceability/sa/ClhsdbWhere.java                            8220624   generic-all
 serviceability/sa/DeadlockDetectionTest.java                  8220624   generic-all
 serviceability/sa/JhsdbThreadInfoTest.java                    8220624   generic-all
+serviceability/sa/ClhsdbCDSCore.java                          8220624   generic-all
 serviceability/sa/TestClhsdbJstackLock.java                   8220624   generic-all
 serviceability/sa/TestHeapDumpForInvokeDynamic.java           8220624   generic-all
 serviceability/sa/TestHeapDumpForLargeArray.java              8220624   generic-all

test/hotspot/jtreg/runtime/cds/appcds/CommandLineFlagComboNegative.java

@@ -29,6 +29,7 @@
  *          E.g. use compressed oops for creating and archive, but then
  *               execute w/o compressed oops
  * @requires vm.cds
+ * @requires !vm.gc.Z
  * @library /test/lib
  * @compile test-classes/Hello.java
  * @run driver CommandLineFlagComboNegative

test/hotspot/jtreg/runtime/cds/appcds/TestZGCWithCDS.java

@@ -62,6 +62,8 @@ public static void main(String... args) throws Exception {
                    .exec(helloJar,
                          "-XX:+UnlockExperimentalVMOptions",
                          "-XX:-UseZGC",
+                         "-XX:+UseCompressedOops",           // in case turned off by vmoptions
+                         "-XX:+UseCompressedClassPointers",  // by jtreg
                          "-Xlog:cds",
                          "Hello");
          out.shouldContain(UNABLE_TO_USE_ARCHIVE);