1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/bug1669415.js b/js/src/jit-test/tests/warp/bug1669415.js
new file mode 100644
index 0000000000..e22497f86d
--- /dev/null
+++ b/js/src/jit-test/tests/warp/bug1669415.js
@@ -0,0 +1,11 @@
+function f(x, y) {
+    return +(-y ? -x : (y ? x : NaN));
+}
+let arr = [false, {}, {}];
+for (let i = 0; i < 9; ++i) {
+    f(1.1, 2);
+}
+for (let i = 0; i < arr.length; i++) {
+    output = f(true, arr[i]);
+}
+assertEq(output, 1);