1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/coercion/coerce-reborrow-imm-vec-arg.rs b/src/test/ui/coercion/coerce-reborrow-imm-vec-arg.rs
new file mode 100644
index 000000000..c2aaae1c7
--- /dev/null
+++ b/src/test/ui/coercion/coerce-reborrow-imm-vec-arg.rs
@@ -0,0 +1,19 @@
+// run-pass
+#![allow(dead_code)]
+// pretty-expanded FIXME #23616
+
+fn sum(x: &[isize]) -> isize {
+    let mut sum = 0;
+    for y in x { sum += *y; }
+    return sum;
+}
+
+fn sum_mut(y: &mut [isize]) -> isize {
+    sum(y)
+}
+
+fn sum_imm(y: &[isize]) -> isize {
+    sum(y)
+}
+
+pub fn main() {}