Feature gate

2024-03-26 01:23:26 -04:00
parent e0da13f25f
commit 528d45af18
9 changed files with 76 additions and 9 deletions
--- a/compiler/rustc_parse/src/parser/pat.rs
+++ b/compiler/rustc_parse/src/parser/pat.rs
@@ -779,6 +779,10 @@ impl<'a> Parser<'a> {
            self.ban_mut_general_pat(mut_span, &pat, changed_any_binding);
        }

+        if matches!(pat.kind, PatKind::Ident(BindingAnnotation(ByRef::Yes(_), Mutability::Mut), ..))
+        {
+            self.psess.gated_spans.gate(sym::mut_ref, pat.span);
+        }
        Ok(pat.into_inner().kind)
    }