From 749c816faec774e7e7cae8ebad01d7ca0464b541 Mon Sep 17 00:00:00 2001
From: Sarthak Singh <ss269@uw.edu>
Date: Wed, 9 Nov 2022 20:39:28 +0530
Subject: [PATCH] Keep track of the start of the argument block of a closure

---
 src/closures.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/closures.rs b/src/closures.rs
index 423c3a997f5..244d4427c56 100644
--- a/src/closures.rs
+++ b/src/closures.rs
@@ -335,6 +335,7 @@ pub(crate) fn rewrite_last_closure(
             ref fn_decl,
             ref body,
             fn_decl_span: _,
+            fn_arg_span: _,
         } = **closure;
         let body = match body.kind {
             ast::ExprKind::Block(ref block, _)