1 files changed, 27 insertions, 0 deletions
diff --git a/tests/ui/proc-macro/auxiliary/call-site.rs b/tests/ui/proc-macro/auxiliary/call-site.rs
new file mode 100644
index 00000000000..e64a5a3438a
--- /dev/null
+++ b/tests/ui/proc-macro/auxiliary/call-site.rs
@@ -0,0 +1,27 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+use proc_macro::*;
+
+#[proc_macro]
+pub fn check(input: TokenStream) -> TokenStream {
+    // Parsed `x2` can refer to `x2` from `input`
+    let parsed1: TokenStream = "let x3 = x2;".parse().unwrap();
+    // `x3` parsed from one string can refer to `x3` parsed from another string.
+    let parsed2: TokenStream = "let x4 = x3;".parse().unwrap();
+    // Manually assembled `x4` can refer to parsed `x4`.
+    let manual: Vec<TokenTree> = vec![
+        Ident::new("let", Span::call_site()).into(),
+        Ident::new("x5", Span::call_site()).into(),
+        Punct::new('=', Spacing::Alone).into(),
+        Ident::new("x4", Span::call_site()).into(),
+        Punct::new(';', Spacing::Alone).into(),
+    ];
+    input.into_iter().chain(parsed1.into_iter())
+                     .chain(parsed2.into_iter())
+                     .chain(manual.into_iter())
+                     .collect()
+}