From 21575908c62f563fbc6d161c4fa44b2000a04e2f Mon Sep 17 00:00:00 2001
From: Kyle Matsuda <kyle.yoshio.matsuda@gmail.com>
Date: Thu, 19 Jan 2023 12:09:01 -0700
Subject: [PATCH] add EarlyBinder::no_bound_vars

---
 src/main_shim.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main_shim.rs b/src/main_shim.rs
index bc1b1ec7cd5..70cf28267d7 100644
--- a/src/main_shim.rs
+++ b/src/main_shim.rs
@@ -46,7 +46,7 @@ pub(crate) fn maybe_create_entry_wrapper(
         is_main_fn: bool,
         sigpipe: u8,
     ) {
-        let main_ret_ty = tcx.fn_sig(rust_main_def_id).subst_identity().output();
+        let main_ret_ty = tcx.fn_sig(rust_main_def_id).no_bound_vars().unwrap().output();
         // Given that `main()` has no arguments,
         // then its return type cannot have
         // late-bound regions, since late-bound