From a3fce72a27ee41077c3752851ff778f886f0a4fa Mon Sep 17 00:00:00 2001
From: Lieselotte <52315535+she3py@users.noreply.github.com>
Date: Sun, 25 Feb 2024 22:22:09 +0100
Subject: Add `ast::ExprKind::Dummy`

---
 compiler/rustc_parse/src/parser/expr.rs | 3 ++-
 compiler/rustc_parse/src/parser/pat.rs  | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

(limited to 'compiler/rustc_parse/src/parser')

diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs
index 1ad637451b1..89f28777bff 100644
--- a/compiler/rustc_parse/src/parser/expr.rs
+++ b/compiler/rustc_parse/src/parser/expr.rs
@@ -3949,7 +3949,8 @@ impl MutVisitor for CondChecker<'_> {
             | ExprKind::Become(_)
             | ExprKind::IncludedBytes(_)
             | ExprKind::FormatArgs(_)
-            | ExprKind::Err => {
+            | ExprKind::Err
+            | ExprKind::Dummy => {
                 // These would forbid any let expressions they contain already.
             }
         }
diff --git a/compiler/rustc_parse/src/parser/pat.rs b/compiler/rustc_parse/src/parser/pat.rs
index 2ede19b11e0..c82b44ac6e1 100644
--- a/compiler/rustc_parse/src/parser/pat.rs
+++ b/compiler/rustc_parse/src/parser/pat.rs
@@ -388,7 +388,7 @@ impl<'a> Parser<'a> {
         // Parse `?`, `.f`, `(arg0, arg1, ...)` or `[expr]` until they've all been eaten.
         if let Ok(expr) = snapshot
             .parse_expr_dot_or_call_with(
-                self.mk_expr_err(pat_span), // equivalent to transforming the parsed pattern into an `Expr`
+                self.mk_expr(pat_span, ExprKind::Dummy), // equivalent to transforming the parsed pattern into an `Expr`
                 pat_span,
                 AttrVec::new(),
             )
-- 
cgit 1.4.1-3-g733a5