8314501: Shenandoah: sun/tools/jhsdb/heapconfig/JMapHeapConfigTest.java fails

Backport-of: 812f475bc4ea84225e8bbb0b5a677eed0af864dd

Author: shipilev

src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/tools/HeapSummary.java

@@ -85,10 +85,8 @@ public void run() {
       printValMB("MetaspaceSize            = ", getFlagValue("MetaspaceSize", flagMap));
       printValMB("CompressedClassSpaceSize = ", getFlagValue("CompressedClassSpaceSize", flagMap));
       printValMB("MaxMetaspaceSize         = ", getFlagValue("MaxMetaspaceSize", flagMap));
-      if (heap instanceof ShenandoahHeap) {
-         printValMB("ShenandoahRegionSize     = ", ShenandoahHeapRegion.regionSizeBytes());
-      } else {
-         printValMB("G1HeapRegionSize         = ", HeapRegion.grainBytes());
+      if (heap instanceof G1CollectedHeap) {
+        printValMB("G1HeapRegionSize         = ", HeapRegion.grainBytes());
       }
 
       System.out.println();
@@ -137,6 +135,7 @@ public void run() {
          long num_regions = sh.numOfRegions();
          System.out.println("Shenandoah Heap:");
          System.out.println("   regions   = " + num_regions);
+         printValMB("region size = ", ShenandoahHeapRegion.regionSizeBytes());
          printValMB("capacity  = ", num_regions * ShenandoahHeapRegion.regionSizeBytes());
          printValMB("used      = ", sh.used());
          printValMB("committed = ", sh.committed());

test/jdk/sun/tools/jhsdb/heapconfig/JMapHeapConfigTest.java

@@ -57,8 +57,7 @@ public class JMapHeapConfigTest {
         "NewRatio",
         "SurvivorRatio",
         "MetaspaceSize",
-        "CompressedClassSpaceSize",
-        "G1HeapRegionSize"};
+        "CompressedClassSpaceSize"};
 
     // Test can't deal with negative jlongs:
     //  ignoring MaxMetaspaceSize