From 677afb4b4571cc32154f340c26908baa9e1a2540 Mon Sep 17 00:00:00 2001
From: Josh Stone <jistone@redhat.com>
Date: Mon, 14 Aug 2023 16:48:39 -0700
Subject: [PATCH] Add a regression test for #113238

---
 tests/ui/std/slice-from-array-issue-113238.rs | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 tests/ui/std/slice-from-array-issue-113238.rs

diff --git a/tests/ui/std/slice-from-array-issue-113238.rs b/tests/ui/std/slice-from-array-issue-113238.rs
new file mode 100644
index 00000000000..e9e1bfb8db3
--- /dev/null
+++ b/tests/ui/std/slice-from-array-issue-113238.rs
@@ -0,0 +1,9 @@
+// check-pass
+
+// This intends to use the unsizing coercion from array to slice, but it only
+// works if we resolve `<&[u8]>::from` as the reflexive `From<T> for T`. In
+// #113238, we found that gimli had added its own `From<EndianSlice> for &[u8]`
+// that affected all `std/backtrace` users.
+fn main() {
+    let _ = <&[u8]>::from(&[]);
+}