1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/reachable/expr_while.rs b/src/test/ui/reachable/expr_while.rs
new file mode 100644
index 000000000..5005f3833
--- /dev/null
+++ b/src/test/ui/reachable/expr_while.rs
@@ -0,0 +1,29 @@
+#![allow(unused_variables)]
+#![allow(unused_assignments)]
+#![allow(dead_code)]
+#![deny(unreachable_code)]
+
+fn foo() {
+    while {return} {
+        //~^ ERROR unreachable block in `if`
+        println!("Hello, world!");
+    }
+}
+
+fn bar() {
+    while {true} {
+        return;
+    }
+    println!("I am not dead.");
+}
+
+fn baz() {
+    // Here, we cite the `while` loop as dead.
+    while {return} {
+        //~^ ERROR unreachable block in `if`
+        println!("I am dead.");
+    }
+    println!("I am, too.");
+}
+
+fn main() { }