Fix dumping of block op kinds (#85101)

Author: SingleAccretion

src/coreclr/jit/gentree.cpp

@@ -11982,7 +11982,14 @@ void Compiler::gtDispTree(GenTree*     tree,
             {
                 switch (tree->AsBlk()->gtBlkOpKind)
                 {
+                    case GenTreeBlk::BlkOpKindCpObjUnroll:
+                        printf(" (CpObjUnroll)");
+                        break;
 #ifdef TARGET_XARCH
+                    case GenTreeBlk::BlkOpKindCpObjRepInstr:
+                        printf(" (CpObjRepInstr)");
+                        break;
+
                     case GenTreeBlk::BlkOpKindRepInstr:
                         printf(" (RepInstr)");
                         break;