1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/imports/issue-55884-1.rs b/tests/ui/imports/issue-55884-1.rs
new file mode 100644
index 000000000..21744aa5d
--- /dev/null
+++ b/tests/ui/imports/issue-55884-1.rs
@@ -0,0 +1,21 @@
+mod m {
+    mod m1 {
+        pub struct S {}
+    }
+    mod m2 {
+        // Note this derive, it makes this struct macro-expanded,
+        // so it doesn't appear in time to participate in the initial resolution of `use m::S`,
+        // only in the later validation pass.
+        #[derive(Default)]
+        pub struct S {}
+    }
+
+    // Create a glob vs glob ambiguity
+    pub use self::m1::*;
+    pub use self::m2::*;
+}
+
+fn main() {
+    use m::S; //~ ERROR `S` is ambiguous
+    let s = S {};
+}