c = tconv(c, types.NewPtr(defStringstruct))
		c = ir.NewSelectorExpr(base.Pos, ir.ODOT, c, lname("data"))
		init.Append(typecheck.Stmt(ir.NewAssignStmt(base.Pos, ir.NewSelectorExpr(base.Pos, ir.ODOT, asanLi, lname("filename")), c)))
		line := ir.NewInt(base.Pos, int64(n.Pos().Line()))
		init.Append(typecheck.Stmt(ir.NewAssignStmt(base.Pos, ir.NewSelectorExpr(base.Pos, ir.ODOT, asanLi, lname("line")), line)))
		col := ir.NewInt(base.Pos, int64(n.Pos().Col()))

			recv := n.Rhs[0].(*ir.UnaryExpr)
			c = recv.X
			elem = n.Lhs[0]
		}

		casorder[i] = cas

		setField := func(f string, val ir.Node) {
			r := ir.NewAssignStmt(base.Pos, ir.NewSelectorExpr(base.Pos, ir.ODOT, ir.NewIndexExpr(base.Pos, selv, ir.NewInt(base.Pos, int64(i))), typecheck.Lookup(f)), val)
			init = append(init, typecheck.Stmt(r))
		}

		c = typecheck.ConvNop(c, types.Types[types.TUNSAFEPTR])
		setField("c", c)