1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/mismatched_types/wrap-suggestion-privacy.rs b/src/test/ui/mismatched_types/wrap-suggestion-privacy.rs
new file mode 100644
index 000000000..63cb1a129
--- /dev/null
+++ b/src/test/ui/mismatched_types/wrap-suggestion-privacy.rs
@@ -0,0 +1,24 @@
+mod inner {
+    pub struct Wrapper<T>(T);
+}
+
+fn needs_wrapper(t: inner::Wrapper<i32>) {}
+fn needs_wrapping(t: std::num::Wrapping<i32>) {}
+fn needs_ready(t: std::future::Ready<i32>) {}
+
+fn main() {
+    // Suggest wrapping expression because type is local
+    // and its privacy can be easily changed
+    needs_wrapper(0);
+    //~^ ERROR mismatched types
+    //~| HELP  try wrapping the expression in `inner::Wrapper`
+
+    // Suggest wrapping expression because field is accessible
+    needs_wrapping(0);
+    //~^ ERROR mismatched types
+    //~| HELP  try wrapping the expression in `std::num::Wrapping`
+
+    // Do not suggest wrapping expression
+    needs_ready(Some(0));
+    //~^ ERROR mismatched types
+}