1 files changed, 8 insertions, 0 deletions
diff --git a/tests/ui/feature-gates/allow-features-empty.rs b/tests/ui/feature-gates/allow-features-empty.rs
new file mode 100644
index 000000000..88a609349
--- /dev/null
+++ b/tests/ui/feature-gates/allow-features-empty.rs
@@ -0,0 +1,8 @@
+// compile-flags: -Z allow_features=
+// Note: This test uses rustc internal flags because they will never stabilize.
+
+#![feature(lang_items)] //~ ERROR
+
+#![feature(unknown_stdlib_feature)] //~ ERROR
+
+fn main() {}