1 files changed, 33 insertions, 0 deletions
diff --git a/tests/ui/parser/auxiliary/tuple-index-suffix-proc-macro-aux.rs b/tests/ui/parser/auxiliary/tuple-index-suffix-proc-macro-aux.rs
new file mode 100644
index 00000000000..a5084b55aac
--- /dev/null
+++ b/tests/ui/parser/auxiliary/tuple-index-suffix-proc-macro-aux.rs
@@ -0,0 +1,33 @@
+#![feature(proc_macro_quote, proc_macro_span)]
+
+extern crate proc_macro;
+
+use proc_macro::{Ident, Literal, Span, TokenStream, TokenTree, quote};
+
+#[proc_macro]
+pub fn bad_tup_indexing(input: TokenStream) -> TokenStream {
+    let tt = input.into_iter().next().unwrap();
+    let TokenTree::Literal(indexing_expr) = tt else {
+        unreachable!();
+    };
+    quote! { (42,).$indexing_expr }
+}
+
+// Expects {IDENT, COMMA, LITERAL}
+#[proc_macro]
+pub fn bad_tup_struct_indexing(input: TokenStream) -> TokenStream {
+    let mut input = input.into_iter();
+
+    let ident = input.next().unwrap();
+    let _comma = input.next().unwrap();
+    let lit = input.next().unwrap();
+
+    let TokenTree::Ident(ident) = ident else {
+        unreachable!("id");
+    };
+    let TokenTree::Literal(indexing_expr) = lit else {
+        unreachable!("lit");
+    };
+
+    quote! { $ident.$indexing_expr }
+}