1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/lint/enable-unstable-lib-feature.rs b/src/test/ui/lint/enable-unstable-lib-feature.rs
new file mode 100644
index 000000000..aa6a973d7
--- /dev/null
+++ b/src/test/ui/lint/enable-unstable-lib-feature.rs
@@ -0,0 +1,13 @@
+// Test that enabling an unstable feature disables warnings
+
+// aux-build:stability-cfg2.rs
+
+#![feature(unstable_test_feature)]
+#![deny(non_snake_case)] // To trigger a hard error
+
+// Shouldn't generate a warning about unstable features
+extern crate stability_cfg2;
+
+pub fn BOGUS() { } //~ ERROR
+
+pub fn main() { }