--- old/src/share/vm/opto/node.hpp Wed Apr 23 18:11:03 2008 +++ new/src/share/vm/opto/node.hpp Wed Apr 23 18:11:03 2008 @@ -741,8 +741,9 @@ 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; + 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)