add test

tests/ui/match/issue-112438.rs

@@ -0,0 +1,11 @@
+// run-pass
+#![feature(inline_const_pat)]
+#![allow(dead_code)]
+#![allow(incomplete_features)]
+fn foo<const V: usize>() {
+    match 0 {
+        const { 1 << 5 } | _ => {}
+    }
+}
+
+fn main() {}