1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/nll/assign-while-to-immutable.rs b/src/test/ui/nll/assign-while-to-immutable.rs
new file mode 100644
index 000000000..c803321b5
--- /dev/null
+++ b/src/test/ui/nll/assign-while-to-immutable.rs
@@ -0,0 +1,11 @@
+// We used to incorrectly assign to `x` twice when generating MIR for this
+// function, preventing this from compiling.
+
+// check-pass
+
+fn main() {
+    let x = while false {
+        break;
+    };
+    let y = 'l: while break 'l {};
+}