1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/issue-41211.rs b/src/test/ui/proc-macro/issue-41211.rs
new file mode 100644
index 000000000..072a63baf
--- /dev/null
+++ b/src/test/ui/proc-macro/issue-41211.rs
@@ -0,0 +1,16 @@
+// aux-build:test-macros.rs
+
+// FIXME: https://github.com/rust-lang/rust/issues/41430
+// This is a temporary regression test for the ICE reported in #41211
+
+#![feature(custom_inner_attributes)]
+#![feature(register_attr)]
+
+#![register_attr(identity_attr)]
+
+#![identity_attr]
+//~^ ERROR `identity_attr` is ambiguous
+extern crate test_macros;
+use test_macros::identity_attr;
+
+fn main() {}