using rustc in the middle of an attrpath errors

Author: jdonszelmann

tests/ui/attributes/rustc-in-attr-path.rs

@@ -0,0 +1,9 @@
+mod rustc {
+    pub use std::prelude::v1::test;
+}
+
+#[crate::rustc::test]
+//~^ ERROR: attributes starting with `rustc` are reserved for use by the `rustc` compiler
+fn foo() {}
+
+fn main() {}

tests/ui/attributes/rustc-in-attr-path.stderr

@@ -0,0 +1,8 @@
+error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
+  --> $DIR/rustc-in-attr-path.rs:5:10
+   |
+LL | #[crate::rustc::test]
+   |          ^^^^^
+
+error: aborting due to 1 previous error
+