From e42ffe4ce643208dece768994868fa2afa8afb32 Mon Sep 17 00:00:00 2001
From: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Date: Wed, 11 Oct 2023 14:40:18 +0200
Subject: [PATCH] Add regression test

This new test highlight the fix for issue #2657.

gcc/testsuite/ChangeLog:

	* rust/compile/match_break.rs: New test.

Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
---
 gcc/testsuite/rust/compile/match_break.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 gcc/testsuite/rust/compile/match_break.rs

diff --git a/gcc/testsuite/rust/compile/match_break.rs b/gcc/testsuite/rust/compile/match_break.rs
new file mode 100644
index 000000000000..d5aca86e8a4f
--- /dev/null
+++ b/gcc/testsuite/rust/compile/match_break.rs
@@ -0,0 +1,14 @@
+// { dg-additional-options "-frust-compile-until=ast" }
+enum Nat {
+    S(Box<Nat>),
+    Z,
+}
+fn test(x: &mut Nat) {
+    let mut p = &mut *x;
+    loop {
+        match p {
+            &mut Nat::Z => break,
+            &mut Nat::S(ref mut n) => p = &mut *n,
+        }
+    }
+}