1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/cross-crate/cross-crate-map-usage-5521.rs b/tests/ui/cross-crate/cross-crate-map-usage-5521.rs
new file mode 100644
index 00000000000..ffce846be2c
--- /dev/null
+++ b/tests/ui/cross-crate/cross-crate-map-usage-5521.rs
@@ -0,0 +1,16 @@
+// https://github.com/rust-lang/rust/issues/5521
+//@ run-pass
+#![allow(dead_code)]
+//@ aux-build:aux-5521.rs
+
+extern crate aux_5521 as foo;
+
+fn bar(a: foo::map) {
+    if false {
+        panic!();
+    } else {
+        let _b = &(*a)[&2];
+    }
+}
+
+fn main() {}