1 files changed, 40 insertions, 0 deletions
diff --git a/src/test/incremental/const-generics/hash-tyvid-regression-4.rs b/src/test/incremental/const-generics/hash-tyvid-regression-4.rs
new file mode 100644
index 000000000..12e8ac7ab
--- /dev/null
+++ b/src/test/incremental/const-generics/hash-tyvid-regression-4.rs
@@ -0,0 +1,40 @@
+// revisions: cfail
+#![feature(generic_const_exprs)]
+#![allow(incomplete_features)]
+// regression test for #79251
+#[derive(Debug)]
+struct Node<K, const D: usize>
+where
+    SmallVec<K, { D * 2 }>: ,
+{
+    keys: SmallVec<K, { D * 2 }>,
+}
+
+impl<K, const D: usize> Node<K, D>
+where
+    SmallVec<K, { D * 2 }>: ,
+{
+    fn new() -> Self {
+        panic!()
+    }
+
+    #[inline(never)]
+    fn split(&mut self, i: usize, k: K, right: bool) -> Node<K, D> {
+        let mut node = Node::new();
+        node.keys.push(k);
+        //~^ error: no method named
+        node
+    }
+}
+
+#[derive(Debug)]
+struct SmallVec<T, const D: usize> {
+    data: [T; D],
+}
+impl<T, const D: usize> SmallVec<T, D> {
+    fn new() -> Self {
+        panic!()
+    }
+}
+
+fn main() {}