}
	findPrintfLike(pass, res)
	checkCall(pass)
	return res, nil
}

type printfWrapper struct {
	obj     *types.Func
	fdecl   *ast.FuncDecl
	format  *types.Var
	args    *types.Var
	callers []printfCaller
	failed  bool // if true, not a printf wrapper
}

type printfCaller struct {
	w    *printfWrapper
	call *ast.CallExpr
}