From c1ef9edfeb71323c68088a58dca6eb3d075fefb8 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Sun, 13 Mar 2022 23:23:41 -0700
Subject: [PATCH] =?UTF-8?q?Parse=20for<=E2=80=A6>=20lifetime=20introducer?=
 =?UTF-8?q?=20on=20closures?=
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---
 src/expr.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/expr.rs b/src/expr.rs
index 95da090885..78f735997a 100644
--- a/src/expr.rs
+++ b/src/expr.rs
@@ -1731,6 +1731,12 @@ pub(crate) mod parsing {
             || input.peek(Token![move])
         {
             expr_closure(input, allow_struct).map(Expr::Closure)
+        } else if input.peek(Token![for]) && input.peek2(Token![<]) && input.peek3(Lifetime) {
+            let begin = input.fork();
+            input.parse::<BoundLifetimes>()?;
+            expr_closure(input, allow_struct)?;
+            let verbatim = verbatim::between(begin, input);
+            Ok(Expr::Verbatim(verbatim))
         } else if input.peek(Ident)
             || input.peek(Token![::])
             || input.peek(Token![<])