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-rw-r--r--src/test/ui/lint/lint-unknown-feature.rs9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/test/ui/lint/lint-unknown-feature.rs b/src/test/ui/lint/lint-unknown-feature.rs
new file mode 100644
index 000000000..1af8d4ff8
--- /dev/null
+++ b/src/test/ui/lint/lint-unknown-feature.rs
@@ -0,0 +1,9 @@
+// check-pass
+
+#![warn(unused_features)]
+
+#![allow(stable_features)]
+// FIXME(#44232) we should warn that this isn't used.
+#![feature(rust1)]
+
+fn main() {}