From 0eb2adb7e877ceaa7d4919f7b881508ee507ec3b Mon Sep 17 00:00:00 2001
From: Michael Goulet <michael@errs.io>
Date: Fri, 26 Jan 2024 17:00:28 +0000
Subject: Add async bound modifier to enable async Fn bounds

---
 compiler/rustc_span/src/hygiene.rs | 3 +++
 compiler/rustc_span/src/symbol.rs  | 1 +
 2 files changed, 4 insertions(+)

(limited to 'compiler/rustc_span')

diff --git a/compiler/rustc_span/src/hygiene.rs b/compiler/rustc_span/src/hygiene.rs
index 3d26efec5a6..527938daae4 100644
--- a/compiler/rustc_span/src/hygiene.rs
+++ b/compiler/rustc_span/src/hygiene.rs
@@ -1154,6 +1154,8 @@ pub enum DesugaringKind {
     Await,
     ForLoop,
     WhileLoop,
+    /// `async Fn()` bound modifier
+    BoundModifier,
 }
 
 impl DesugaringKind {
@@ -1169,6 +1171,7 @@ impl DesugaringKind {
             DesugaringKind::OpaqueTy => "`impl Trait`",
             DesugaringKind::ForLoop => "`for` loop",
             DesugaringKind::WhileLoop => "`while` loop",
+            DesugaringKind::BoundModifier => "trait bound modifier",
         }
     }
 }
diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs
index dbfc89c2d49..2dca9808ada 100644
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@@ -423,6 +423,7 @@ symbols! {
         async_fn_mut,
         async_fn_once,
         async_fn_track_caller,
+        async_fn_traits,
         async_for_loop,
         async_iterator,
         async_iterator_poll_next,
-- 
cgit 1.4.1-3-g733a5