1 files changed, 50 insertions, 0 deletions
diff --git a/src/test/mir-opt/inline-closure-borrows-arg.rs b/src/test/mir-opt/inline-closure-borrows-arg.rs
new file mode 100644
index 00000000000..3fb54f90984
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+++ b/src/test/mir-opt/inline-closure-borrows-arg.rs
@@ -0,0 +1,50 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags: -Z span_free_formats
+
+// Tests that MIR inliner can handle closure arguments,
+// even when (#45894)
+
+fn main() {
+    println!("{}", foo(0, &14));
+}
+
+fn foo<T: Copy>(_t: T, q: &i32) -> i32 {
+    let x = |r: &i32, _s: &i32| {
+        let variable = &*r;
+        *variable
+    };
+    x(q, q)
+}
+
+// END RUST SOURCE
+// START rustc.foo.Inline.after.mir
+// ...
+// bb0: {
+//     ...
+//     _3 = [closure@NodeId(39)];
+//     ...
+//     _4 = &_3;
+//     ...
+//     _6 = &(*_2);
+//     ...
+//     _7 = &(*_2);
+//     _5 = (move _6, move _7);
+//     _9 = move (_5.0: &i32);
+//     _10 = move (_5.1: &i32);
+//     StorageLive(_8);
+//     _8 = (*_9);
+//     _0 = move _8;
+//     ...
+//     return;
+// }
+// ...
+// END rustc.foo.Inline.after.mir