Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/ui/const-generics/issues/issue-82956.rs b/tests/ui/const-generics/issues/issue-82956.rs
new file mode 100644
index 000000000..3539e9b96
--- /dev/null
+++ b/tests/ui/const-generics/issues/issue-82956.rs
@@ -0,0 +1,33 @@
+#![feature(generic_const_exprs)]
+#![allow(incomplete_features)]
+
+pub struct ConstCheck<const CHECK: bool>;
+
+pub trait True {}
+impl True for ConstCheck<true> {}
+
+pub trait OrdesDec {
+    type Newlen;
+    type Output;
+
+    fn pop(self) -> (Self::Newlen, Self::Output);
+}
+
+impl<T, const N: usize> OrdesDec for [T; N]
+where
+    ConstCheck<{N > 1}>: True,
+    [T; N - 1]: Sized,
+{
+    type Newlen = [T; N - 1];
+    type Output = T;
+
+    fn pop(self) -> (Self::Newlen, Self::Output) {
+        let mut iter = IntoIter::new(self);
+        //~^ ERROR: failed to resolve: use of undeclared type `IntoIter`
+        let end = iter.next_back().unwrap();
+        let new = [(); N - 1].map(move |()| iter.next().unwrap());
+        (new, end)
+    }
+}
+
+fn main() {}