1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/consts/issue-88071.rs b/src/test/ui/consts/issue-88071.rs
new file mode 100644
index 000000000..1c38c43e6
--- /dev/null
+++ b/src/test/ui/consts/issue-88071.rs
@@ -0,0 +1,20 @@
+// check-pass
+//
+// regression test for #88071
+
+#![feature(const_btree_new)]
+
+use std::collections::BTreeMap;
+
+pub struct CustomMap<K, V>(BTreeMap<K, V>);
+
+impl<K, V> CustomMap<K, V>
+where
+    K: Ord,
+{
+    pub const fn new() -> Self {
+        CustomMap(BTreeMap::new())
+    }
+}
+
+fn main() {}