src/share/vm/gc/cms/concurrentMarkSweepGeneration.cpp

*** 2285,2305 ****
    if (CMSRemarkVerifyVariant == 1) {
      // In this first variant of verification, we complete
      // all marking, then check if the new marks-vector is
      // a subset of the CMS marks-vector.
      verify_after_remark_work_1();
!   } else if (CMSRemarkVerifyVariant == 2) {
      // In this second variant of verification, we flag an error
      // (i.e. an object reachable in the new marks-vector not reachable
      // in the CMS marks-vector) immediately, also indicating the
      // identify of an object (A) that references the unmarked object (B) --
      // presumably, a mutation to A failed to be picked up by preclean/remark?
      verify_after_remark_work_2();
-   } else {
-     warning("Unrecognized value " UINTX_FORMAT " for CMSRemarkVerifyVariant",
-             CMSRemarkVerifyVariant);
    }
    return true;
  }
  
  void CMSCollector::verify_after_remark_work_1() {
    ResourceMark rm;
--- 2285,2304 ----
    if (CMSRemarkVerifyVariant == 1) {
      // In this first variant of verification, we complete
      // all marking, then check if the new marks-vector is
      // a subset of the CMS marks-vector.
      verify_after_remark_work_1();
!   } else {
!     guarantee(CMSRemarkVerifyVariant == 2, "Range checking for CMSRemarkVerifyVariant should guarantee 1 or 2");
      // In this second variant of verification, we flag an error
      // (i.e. an object reachable in the new marks-vector not reachable
      // in the CMS marks-vector) immediately, also indicating the
      // identify of an object (A) that references the unmarked object (B) --
      // presumably, a mutation to A failed to be picked up by preclean/remark?
      verify_after_remark_work_2();
    }
+ 
    return true;
  }
  
  void CMSCollector::verify_after_remark_work_1() {
    ResourceMark rm;