src/share/vm/opto/mulnode.cpp

*** 646,655 ****
--- 646,656 ----
  
    if (maskedShift == 0) return 0;         // Let Identity() handle 0 shift count.
  
    if (shift != maskedShift) {
      shiftNode->set_req(2, phase->intcon(maskedShift)); // Replace shift count with masked value.
+     phase->igvn_rehash_node_delayed(shiftNode);
    }
  
    return maskedShift;
  }