From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:03 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/ui/consts/const_forget.rs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 tests/ui/consts/const_forget.rs

(limited to 'tests/ui/consts/const_forget.rs')

diff --git a/tests/ui/consts/const_forget.rs b/tests/ui/consts/const_forget.rs
new file mode 100644
index 000000000..ec7dde8c9
--- /dev/null
+++ b/tests/ui/consts/const_forget.rs
@@ -0,0 +1,20 @@
+// check-pass
+
+use std::mem::forget;
+
+const _: () = forget(0i32);
+const _: () = forget(Vec::<Vec<Box<i32>>>::new());
+
+// Writing this function signature without const-forget
+// triggers compiler errors:
+// 1) That we use a non-const fn inside a const fn
+// 2) without the forget, it complains about the destructor of Box
+//
+// FIXME: this method cannot be called in const-eval yet, as Box isn't
+// const constructable
+#[allow(unused)]
+const fn const_forget_box<T: ?Sized>(b: Box<T>) {
+    forget(b);
+}
+
+fn main() {}
-- 
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