src/share/vm/opto/output.cpp

rev 4505 : 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis()
Summary: Add NULL checks and asserts for Type::make_ptr() returned value.
Reviewed-by: kvn

*** 929,939 ****
            scval = new_loc_value( _regalloc, obj_reg, Location::narrowoop );
          } else {
            scval = new_loc_value( _regalloc, obj_reg, Location::oop );
          }
        } else {
!         const TypePtr *tp = obj_node->bottom_type()->make_ptr();
          scval = new ConstantOopWriteValue(tp->is_oopptr()->const_oop()->constant_encoding());
        }
  
        OptoReg::Name box_reg = BoxLockNode::reg(box_node);
        Location basic_lock = Location::new_stk_loc(Location::normal,_regalloc->reg2offset(box_reg));
--- 929,939 ----
            scval = new_loc_value( _regalloc, obj_reg, Location::narrowoop );
          } else {
            scval = new_loc_value( _regalloc, obj_reg, Location::oop );
          }
        } else {
!         const TypePtr *tp = obj_node->get_ptr_type();
          scval = new ConstantOopWriteValue(tp->is_oopptr()->const_oop()->constant_encoding());
        }
  
        OptoReg::Name box_reg = BoxLockNode::reg(box_node);
        Location basic_lock = Location::new_stk_loc(Location::normal,_regalloc->reg2offset(box_reg));