1 files changed, 9 insertions, 0 deletions
diff --git a/tests/ui/parser/builtin-syntax.rs b/tests/ui/parser/builtin-syntax.rs
new file mode 100644
index 000000000..897dab8ec
--- /dev/null
+++ b/tests/ui/parser/builtin-syntax.rs
@@ -0,0 +1,9 @@
+#![feature(builtin_syntax)]
+
+fn main() {
+    builtin # foobar(); //~ ERROR unknown `builtin #` construct
+}
+
+fn not_identifier() {
+    builtin # {}(); //~ ERROR expected identifier after
+}