1 files changed, 9 insertions, 0 deletions
diff --git a/tests/ui/mismatched_types/suggest-option-asderef-inference-var.rs b/tests/ui/mismatched_types/suggest-option-asderef-inference-var.rs
new file mode 100644
index 000000000..5febbbe39
--- /dev/null
+++ b/tests/ui/mismatched_types/suggest-option-asderef-inference-var.rs
@@ -0,0 +1,9 @@
+fn deref_int(a: &i32) -> i32 {
+    *a
+}
+
+fn main() {
+    // https://github.com/rust-lang/rust/issues/112293
+    let _has_inference_vars: Option<i32> = Some(0).map(deref_int);
+    //~^ ERROR type mismatch in function arguments
+}