1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/ui/disambiguate-identical-names.rs b/src/test/ui/disambiguate-identical-names.rs
new file mode 100644
index 000000000..708d2cd76
--- /dev/null
+++ b/src/test/ui/disambiguate-identical-names.rs
@@ -0,0 +1,15 @@
+pub mod submod {
+    // Create ambiguity with the std::vec::Vec item:
+    pub struct Vec;
+}
+
+fn test(_v: &Vec<Vec<u32>>) {
+}
+
+fn main() {
+    let v = std::collections::HashMap::new();
+    v.insert(3u8, 1u8);
+
+    test(&v);
+    //~^ ERROR mismatched types
+}