use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
use rustc_index::vec::IndexVec;
use rustc_middle::mir::visit::Visitor as _;
use rustc_hir::intravisit::{self, NestedVisitorMap, Visitor};
use rustc_index::vec::IndexVec;
use rustc_middle::mir::visit::Visitor as _;