1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/bug1687661.js b/js/src/jit-test/tests/warp/bug1687661.js
new file mode 100644
index 0000000000..e1b90a1879
--- /dev/null
+++ b/js/src/jit-test/tests/warp/bug1687661.js
@@ -0,0 +1,13 @@
+function f(x,y) {
+    return Math.trunc(+(y ? x : y) || ~y);
+}
+
+with ({}) {}
+
+for (var i = 0; i < 10; i++) {
+    f(0,1);
+    f(NaN,1);
+    f(0.1,0);
+}
+
+assertEq(f(0.1, 1), 0);