src/share/vm/c1/c1_LIRGenerator.cpp

*** 392,402 ****
  
  // This is called for each node in tree; the walk stops if a root is reached
  void LIRGenerator::walk(Value instr) {
    InstructionMark im(compilation(), instr);
    //stop walk when encounter a root
!   if (instr->is_pinned() && instr->as_Phi() == NULL || instr->operand()->is_valid()) {
      assert(instr->operand() != LIR_OprFact::illegalOpr || instr->as_Constant() != NULL, "this root has not yet been visited");
    } else {
      assert(instr->subst() == instr, "shouldn't have missed substitution");
      instr->visit(this);
      // assert(instr->use_count() > 0 || instr->as_Phi() != NULL, "leaf instruction must have a use");
--- 392,402 ----
  
  // This is called for each node in tree; the walk stops if a root is reached
  void LIRGenerator::walk(Value instr) {
    InstructionMark im(compilation(), instr);
    //stop walk when encounter a root
!   if ((instr->is_pinned() && instr->as_Phi() == NULL) || instr->operand()->is_valid()) {
      assert(instr->operand() != LIR_OprFact::illegalOpr || instr->as_Constant() != NULL, "this root has not yet been visited");
    } else {
      assert(instr->subst() == instr, "shouldn't have missed substitution");
      instr->visit(this);
      // assert(instr->use_count() > 0 || instr->as_Phi() != NULL, "leaf instruction must have a use");
*** 1432,1441 ****
--- 1432,1443 ----
          if (c->as_jint_lo_bits() != other->as_jint_lo_bits()) continue;
          break;
        case T_OBJECT:
          if (c->as_jobject() != other->as_jobject()) continue;
          break;
+       default:
+         break;
        }
        return _reg_for_constants.at(i);
      }
    }
  
*** 2802,2811 ****
--- 2804,2815 ----
      case T_BOOLEAN:
      case T_SHORT:
      case T_CHAR:
        t = T_INT;
        break;
+     default:
+       break;
      }
  
      LIR_Opr dest = new_register(t);
      __ move(src, dest);