1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/macros/duplicate-builtin.stderr b/tests/ui/macros/duplicate-builtin.stderr
new file mode 100644
index 00000000000..58accea27bb
--- /dev/null
+++ b/tests/ui/macros/duplicate-builtin.stderr
@@ -0,0 +1,21 @@
+error[E0773]: attempted to define built-in macro more than once
+  --> $DIR/duplicate-builtin.rs:13:5
+   |
+LL | /     pub macro test($item:item) {
+LL | |
+LL | |         /* compiler built-in */
+LL | |     }
+   | |_____^
+   |
+note: previously defined here
+  --> $DIR/duplicate-builtin.rs:6:1
+   |
+LL | / pub macro test($item:item) {
+LL | |
+LL | |     /* compiler built-in */
+LL | | }
+   | |_^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0773`.