From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 library/core/tests/ops/control_flow.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 library/core/tests/ops/control_flow.rs

(limited to 'library/core/tests/ops')

diff --git a/library/core/tests/ops/control_flow.rs b/library/core/tests/ops/control_flow.rs
new file mode 100644
index 000000000..eacfd63a6
--- /dev/null
+++ b/library/core/tests/ops/control_flow.rs
@@ -0,0 +1,18 @@
+use core::intrinsics::discriminant_value;
+use core::ops::ControlFlow;
+
+#[test]
+fn control_flow_discriminants_match_result() {
+    // This isn't stable surface area, but helps keep `?` cheap between them,
+    // even if LLVM can't always take advantage of it right now.
+    // (Sadly Result and Option are inconsistent, so ControlFlow can't match both.)
+
+    assert_eq!(
+        discriminant_value(&ControlFlow::<i32, i32>::Break(3)),
+        discriminant_value(&Result::<i32, i32>::Err(3)),
+    );
+    assert_eq!(
+        discriminant_value(&ControlFlow::<i32, i32>::Continue(3)),
+        discriminant_value(&Result::<i32, i32>::Ok(3)),
+    );
+}
-- 
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