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-rw-r--r--src/tools/clippy/clippy_lints/src/functions/result.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/tools/clippy/clippy_lints/src/functions/result.rs b/src/tools/clippy/clippy_lints/src/functions/result.rs
index 23da145d0..fa2a9b30c 100644
--- a/src/tools/clippy/clippy_lints/src/functions/result.rs
+++ b/src/tools/clippy/clippy_lints/src/functions/result.rs
@@ -21,7 +21,7 @@ fn result_err_ty<'tcx>(
) -> Option<(&'tcx hir::Ty<'tcx>, Ty<'tcx>)> {
if !in_external_macro(cx.sess(), item_span)
&& let hir::FnRetTy::Return(hir_ty) = decl.output
- && let ty = cx.tcx.erase_late_bound_regions(cx.tcx.fn_sig(id).output())
+ && let ty = cx.tcx.erase_late_bound_regions(cx.tcx.fn_sig(id).subst_identity().output())
&& is_type_diagnostic_item(cx, ty, sym::Result)
&& let ty::Adt(_, substs) = ty.kind()
{