1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/proc-macro/define-two.rs b/tests/ui/proc-macro/define-two.rs
new file mode 100644
index 000000000..b2184eae3
--- /dev/null
+++ b/tests/ui/proc-macro/define-two.rs
@@ -0,0 +1,18 @@
+// force-host
+// no-prefer-dynamic
+
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+
+#[proc_macro_derive(A)]
+pub fn foo(input: TokenStream) -> TokenStream {
+    input
+}
+
+#[proc_macro_derive(A)] //~ ERROR the name `A` is defined multiple times
+pub fn bar(input: TokenStream) -> TokenStream {
+    input
+}