From 4fb10c0ce45673264d5dd428f4d5a4a389a2f1de Mon Sep 17 00:00:00 2001
From: Deadbeef <ent3rm4n@gmail.com>
Date: Tue, 20 Dec 2022 16:15:55 +0000
Subject: parse const closures

---
 compiler/rustc_parse/src/parser/expr.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'compiler/rustc_parse/src/parser/expr.rs')

diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs
index f5093fb02a8..dd2b03988c3 100644
--- a/compiler/rustc_parse/src/parser/expr.rs
+++ b/compiler/rustc_parse/src/parser/expr.rs
@@ -1325,7 +1325,10 @@ impl<'a> Parser<'a> {
             self.parse_array_or_repeat_expr(Delimiter::Bracket)
         } else if self.check_path() {
             self.parse_path_start_expr()
-        } else if self.check_keyword(kw::Move) || self.check_keyword(kw::Static) {
+        } else if self.check_keyword(kw::Move)
+            || self.check_keyword(kw::Static)
+            || self.check_const_closure()
+        {
             self.parse_closure_expr()
         } else if self.eat_keyword(kw::If) {
             self.parse_if_expr()
@@ -2065,6 +2068,8 @@ impl<'a> Parser<'a> {
             ClosureBinder::NotPresent
         };
 
+        let constness = self.parse_constness(Case::Sensitive);
+
         let movability =
             if self.eat_keyword(kw::Static) { Movability::Static } else { Movability::Movable };
 
@@ -2111,6 +2116,7 @@ impl<'a> Parser<'a> {
             ExprKind::Closure(Box::new(ast::Closure {
                 binder,
                 capture_clause,
+                constness,
                 asyncness,
                 movability,
                 fn_decl,
-- 
cgit 1.4.1-3-g733a5