1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/consts/const-eval/promoted_errors.rs b/src/test/ui/consts/const-eval/promoted_errors.rs
new file mode 100644
index 00000000000..a58c4be66c4
--- /dev/null
+++ b/src/test/ui/consts/const-eval/promoted_errors.rs
@@ -0,0 +1,29 @@
+// Copyright 2018 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.
+
+#![warn(const_err)]
+
+// compile-pass
+// compile-flags: -O
+fn main() {
+    println!("{}", 0u32 - 1);
+    let _x = 0u32 - 1;
+    //~^ WARN const_err
+    println!("{}", 1/(1-1));
+    //~^ WARN const_err
+    let _x = 1/(1-1);
+    //~^ WARN const_err
+    //~| WARN const_err
+    println!("{}", 1/(false as u32));
+    //~^ WARN const_err
+    let _x = 1/(false as u32);
+    //~^ WARN const_err
+    //~| WARN const_err
+}