Update clippy_lints/src/methods/unbuffered_bytes.rs

Co-authored-by: Samuel Tardieu <[email protected]>

Author: JonathanBrouwer

clippy_lints/src/methods/unbuffered_bytes.rs

@@ -9,7 +9,7 @@ use rustc_span::sym;
 /// lint to detect `.bytes()` on an unbuffered type such as a `File` or `TcpStream`
 pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr<'_>) {
     // Retrieve the DefId of the BufRead trait
-    // Sadly BufRead does not have a diagnostic item or a lang item
+    // FIXME: add a diagnostic item for `BufRead`
     let Some(buf_read) = get_trait_def_id(cx.tcx, &paths::BUF_READ) else {
         return;
     };