src/share/vm/c1/c1_Canonicalizer.cpp

*** 725,735 ****
        } else {
          // successors differ => simplify to: IfInstanceOf
          set_canonical(new IfInstanceOf(inst->klass(), inst->obj(), true, inst->state_before()->bci(), is_inst_sux, no_inst_sux));
        }
      }
!   } else if (rt == objectNull && (l->as_NewInstance() || l->as_NewArray())) {
      if (x->cond() == Instruction::eql) {
        BlockBegin* sux = x->fsux();
        set_canonical(new Goto(sux, x->state_before(), is_safepoint(x, sux)));
      } else {
        assert(x->cond() == Instruction::neq, "only other valid case");
--- 725,737 ----
        } else {
          // successors differ => simplify to: IfInstanceOf
          set_canonical(new IfInstanceOf(inst->klass(), inst->obj(), true, inst->state_before()->bci(), is_inst_sux, no_inst_sux));
        }
      }
!   } else if (rt == objectNull &&
!            (l->as_NewInstance() || l->as_NewArray() ||
!              (l->as_Local() && l->as_Local()->is_receiver()))) {
      if (x->cond() == Instruction::eql) {
        BlockBegin* sux = x->fsux();
        set_canonical(new Goto(sux, x->state_before(), is_safepoint(x, sux)));
      } else {
        assert(x->cond() == Instruction::neq, "only other valid case");