Erase late bound regions in iter_not_returning_iterator

rust-lang · Jan 15, 2022 · 70a6d7b · 70a6d7b
1 parent 7a4acf9
commit 70a6d7b
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/clippy_lints/src/iter_not_returning_iterator.rs b/clippy_lints/src/iter_not_returning_iterator.rs
@@ -66,7 +66,7 @@ impl<'tcx> LateLintPass<'tcx> for IterNotReturningIterator {
 
 fn check_sig(cx: &LateContext<'_>, name: &str, sig: &FnSig<'_>, fn_id: LocalDefId) {
     if sig.decl.implicit_self.has_implicit_self() {
-        let ret_ty = cx.tcx.fn_sig(fn_id).skip_binder().output();
+        let ret_ty = cx.tcx.erase_late_bound_regions(cx.tcx.fn_sig(fn_id).output());
         let ret_ty = cx
             .tcx
             .try_normalize_erasing_regions(cx.param_env, ret_ty)

diff --git a/tests/ui/iter_not_returning_iterator.rs b/tests/ui/iter_not_returning_iterator.rs
@@ -64,4 +64,11 @@ impl S {
     }
 }
 
+struct S2([u8]);
+impl S2 {
+    fn iter(&self) -> core::slice::Iter<u8> {
+        self.0.iter()
+    }
+}
+
 fn main() {}