src/share/vm/opto/node.hpp

*** 739,750 ****
  
    bool is_Con () const { return (_flags & Flag_is_Con) != 0; }
    bool is_Goto() const { return (_flags & Flag_is_Goto) != 0; }
    // The data node which is safe to leave in dead loop during IGVN optimization.
    bool is_dead_loop_safe() const {
!     return is_Phi() || is_Proj() ||
!            (_flags & (Flag_is_dead_loop_safe | Flag_is_Con)) != 0;
    }
  
    // is_Copy() returns copied edge index (0 or 1)
    uint is_Copy() const { return (_flags & Flag_is_Copy); }
  
--- 739,751 ----
  
    bool is_Con () const { return (_flags & Flag_is_Con) != 0; }
    bool is_Goto() const { return (_flags & Flag_is_Goto) != 0; }
    // The data node which is safe to leave in dead loop during IGVN optimization.
    bool is_dead_loop_safe() const {
!     return is_Phi() || (is_Proj() && in(0) == NULL) ||
!            ((_flags & (Flag_is_dead_loop_safe | Flag_is_Con)) != 0 &&
!             (!is_Proj() || !in(0)->is_Allocate()));
    }
  
    // is_Copy() returns copied edge index (0 or 1)
    uint is_Copy() const { return (_flags & Flag_is_Copy); }