fold_region: remove unused parameter

[rust.git] / compiler / rustc_infer / src / infer / error_reporting / nice_region_error / util.rs

diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs
index b9596cd10ed972a8f72b5f106e7b236e9a4286e1..42d52446ab6c72615887430790a430f2ae7a0c2b 100644 (file)
--- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs
+++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs
@@ -79,7 +79,7 @@ pub fn find_param_with_region<'tcx>(
             // May return None; sometimes the tables are not yet populated.
             let ty = fn_sig.inputs()[index];
             let mut found_anon_region = false;
-            let new_param_ty = tcx.fold_regions(ty, &mut false, |r, _| {
+            let new_param_ty = tcx.fold_regions(ty, |r, _| {
                 if r == anon_region {
                     found_anon_region = true;
                     replace_region