ICE when applying test to crate root

Author: jdonszelmann

tests/ui/macros/test-on-crate-root.rs

@@ -0,0 +1,7 @@
+// ICE when applying `#![test]` to the crate root,
+// though only when specified with a full path. `#![test]` is not enough.
+#![core::prelude::v1::test]
+
+
+
+fn main() {} // not important to reproduce the issue