1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/rust-2018/uniform-paths/ambiguity-nested.rs b/tests/ui/rust-2018/uniform-paths/ambiguity-nested.rs
new file mode 100644
index 00000000000..50c8fc8229c
--- /dev/null
+++ b/tests/ui/rust-2018/uniform-paths/ambiguity-nested.rs
@@ -0,0 +1,16 @@
+// edition:2018
+
+// This test is similar to `ambiguity.rs`, but nested in a module.
+
+#![allow(non_camel_case_types)]
+
+mod foo {
+    pub use std::io;
+    //~^ ERROR `std` is ambiguous
+
+    mod std {
+        pub struct io;
+    }
+}
+
+fn main() {}