Cleanly error for non-const expression in associated const

1 files changed, 19 insertions, 0 deletions

diff --git a/src/test/compile-fail/issue-44239.rs b/src/test/compile-fail/issue-44239.rs
new file mode 100644
index 00000000000..131c6526642
--- /dev/null
+++ b/src/test/compile-fail/issue-44239.rs
@@ -0,0 +1,19 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+    let n = 0;
+
+    struct Foo;
+    impl Foo {
+        const N: usize = n;
+        //~^ ERROR attempt to use a non-constant value
+    }
+}