1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/conditional-compilation/cfg-attr-unknown-attribute-macro-expansion.rs b/src/test/ui/conditional-compilation/cfg-attr-unknown-attribute-macro-expansion.rs
new file mode 100644
index 000000000..45b757e92
--- /dev/null
+++ b/src/test/ui/conditional-compilation/cfg-attr-unknown-attribute-macro-expansion.rs
@@ -0,0 +1,11 @@
+macro_rules! foo {
+    () => {
+        #[cfg_attr(all(), unknown)]
+        //~^ ERROR cannot find attribute `unknown` in this scope
+        fn foo() {}
+    }
+}
+
+foo!();
+
+fn main() {}