Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/src/test/ui/const-generics/generic_const_exprs/const_eval_resolve_canonical.rs b/src/test/ui/const-generics/generic_const_exprs/const_eval_resolve_canonical.rs
new file mode 100644
index 000000000..5874625ad
--- /dev/null
+++ b/src/test/ui/const-generics/generic_const_exprs/const_eval_resolve_canonical.rs
@@ -0,0 +1,28 @@
+// check-pass
+
+#![feature(generic_const_exprs)]
+#![allow(incomplete_features)]
+
+trait Foo<const N: usize> {
+    type Assoc: Default;
+}
+
+impl Foo<0> for () {
+    type Assoc = u32;
+}
+
+impl Foo<3> for () {
+    type Assoc = i64;
+}
+
+fn foo<T, const N: usize>(_: T) -> <() as Foo<{ N + 1 }>>::Assoc
+where
+    (): Foo<{ N + 1 }>,
+{
+    Default::default()
+}
+
+fn main() {
+    let mut _q = Default::default();
+    _q = foo::<_, 2>(_q);
+}