3 #![deny(clippy::internal)]
4 #![feature(rustc_private)]
6 extern crate rustc_hir;
7 extern crate rustc_lint;
8 extern crate rustc_middle;
10 extern crate rustc_session;
12 use rustc_lint::{LateContext, LateLintPass};
20 declare_lint_pass!(Pass => [TEST_LINT]);
22 impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
23 fn check_expr(&mut self, _cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
24 let _ = expr.span.ctxt().outer_expn().expn_data();