1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/ptr-coercion-rpass.rs b/src/test/ui/ptr-coercion-rpass.rs
new file mode 100644
index 000000000..1c3ce3303
--- /dev/null
+++ b/src/test/ui/ptr-coercion-rpass.rs
@@ -0,0 +1,30 @@
+// run-pass
+
+#![allow(unused_variables)]
+// Test coercions between pointers which don't do anything fancy like unsizing.
+
+// pretty-expanded FIXME #23616
+
+pub fn main() {
+    // &mut -> &
+    let x: &mut isize = &mut 42;
+    let x: &isize = x;
+
+    let x: &isize = &mut 42;
+
+    // & -> *const
+    let x: &isize = &42;
+    let x: *const isize = x;
+
+    let x: *const isize = &42;
+
+    // &mut -> *const
+    let x: &mut isize = &mut 42;
+    let x: *const isize = x;
+
+    let x: *const isize = &mut 42;
+
+    // *mut -> *const
+    let x: *mut isize = &mut 42;
+    let x: *const isize = x;
+}