1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/typedarrayindextoint32.js b/js/src/jit-test/tests/warp/typedarrayindextoint32.js
new file mode 100644
index 0000000000..5333ada53e
--- /dev/null
+++ b/js/src/jit-test/tests/warp/typedarrayindextoint32.js
@@ -0,0 +1,10 @@
+function f(ta, i) {
+    var x = i + 0.2;
+    return ta[i] + ta[i | 0] + ta[x - 0.2];
+}
+
+var ta = new Int32Array(10);
+var xs = [0, 1, 2, -1];
+for (var i = 0; i < 100_000; ++i) {
+    assertEq(f(ta, xs[i & 3]), (i & 3) == 3 ? NaN : 0);
+}