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>
---
 src/test/ui/nullable-pointer-size.rs | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 src/test/ui/nullable-pointer-size.rs

(limited to 'src/test/ui/nullable-pointer-size.rs')

diff --git a/src/test/ui/nullable-pointer-size.rs b/src/test/ui/nullable-pointer-size.rs
new file mode 100644
index 000000000..0384553b6
--- /dev/null
+++ b/src/test/ui/nullable-pointer-size.rs
@@ -0,0 +1,35 @@
+// run-pass
+
+#![allow(dead_code)]
+
+use std::mem;
+
+enum E<T> { Thing(isize, T), Nothing((), ((), ()), [i8; 0]) }
+struct S<T>(isize, T);
+
+// These are macros so we get useful assert messages.
+
+macro_rules! check_option {
+    ($T:ty) => {
+        assert_eq!(mem::size_of::<Option<$T>>(), mem::size_of::<$T>());
+    }
+}
+
+macro_rules! check_fancy {
+    ($T:ty) => {
+        assert_eq!(mem::size_of::<E<$T>>(), mem::size_of::<S<$T>>());
+    }
+}
+
+macro_rules! check_type {
+    ($T:ty) => {{
+        check_option!($T);
+        check_fancy!($T);
+    }}
+}
+
+pub fn main() {
+    check_type!(&'static isize);
+    check_type!(Box<isize>);
+    check_type!(extern "C" fn());
+}
-- 
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