1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/const-fn-error.rs b/src/test/ui/const-fn-error.rs
new file mode 100644
index 00000000000..baf836b4dad
--- /dev/null
+++ b/src/test/ui/const-fn-error.rs
@@ -0,0 +1,30 @@
+// Copyright 2015 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.
+
+#![feature(const_fn)]
+
+const X : usize = 2;
+
+const fn f(x: usize) -> usize {
+    let mut sum = 0; //~ ERROR blocks in constant functions are limited
+    for i in 0..x { //~ ERROR calls in constant functions
+    //~| ERROR constant function contains unimplemented
+        sum += i;
+    }
+    sum //~ ERROR E0080
+        //~| non-constant path in constant
+}
+
+#[allow(unused_variables)]
+fn main() {
+    let a : [i32; f(X)]; //~ NOTE for constant expression here
+    //~| WARNING constant evaluation error: non-constant path
+    //~| on by default
+}