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>
---
 .../generic_const_exprs/elaborate-trait-pred.rs    | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/test/ui/const-generics/generic_const_exprs/elaborate-trait-pred.rs

(limited to 'src/test/ui/const-generics/generic_const_exprs/elaborate-trait-pred.rs')

diff --git a/src/test/ui/const-generics/generic_const_exprs/elaborate-trait-pred.rs b/src/test/ui/const-generics/generic_const_exprs/elaborate-trait-pred.rs
new file mode 100644
index 000000000..e4111157e
--- /dev/null
+++ b/src/test/ui/const-generics/generic_const_exprs/elaborate-trait-pred.rs
@@ -0,0 +1,24 @@
+// run-pass
+// Test that we use the elaborated predicates from traits
+// to satisfy const evaluatable predicates.
+#![feature(generic_const_exprs)]
+#![allow(incomplete_features)]
+use std::mem::size_of;
+
+trait Foo: Sized
+where
+    [(); size_of::<Self>()]: Sized,
+{
+}
+
+impl Foo for u64 {}
+impl Foo for u32 {}
+
+fn foo<T: Foo>() -> [u8; size_of::<T>()] {
+    [0; size_of::<T>()]
+}
+
+fn main() {
+    assert_eq!(foo::<u32>(), [0; 4]);
+    assert_eq!(foo::<u64>(), [0; 8]);
+}
-- 
cgit v1.2.3