1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/valueToInt32.js b/js/src/jit-test/tests/ion/valueToInt32.js
new file mode 100644
index 0000000000..65ad561eca
--- /dev/null
+++ b/js/src/jit-test/tests/ion/valueToInt32.js
@@ -0,0 +1,41 @@
+// vim: set ts=8 sts=4 et sw=4 tw=99:
+
+function f(x, y) {
+    // Confuse the type analysis to not know the type of x.
+    var u;
+    var a = x + u;
+    var b = x + 3;
+    return x + y;
+}
+
+function g_bool(x, y) {
+    var t;
+    if (x + 0)
+        t = true;
+    else
+        t = false;
+    return t + y;
+
+}
+function g_null(x) {
+    return null + x;
+}
+
+assertEq(g_bool(1, 2), 3);
+assertEq(g_bool(0, 2), 2);
+assertEq(g_null(2), 2);
+
+// These will not bailout.
+assertEq(f(Math.cos(Math.PI), 2), 1);
+assertEq(f(null, 2), 2);
+assertEq(f(false, 2), 2);
+assertEq(f(true, 2), 3);
+assertEq(f(17, 2), 19);
+
+// These will bailout.
+assertEq(f(undefined, 2), Number.NaN);
+assertEq(f("20", 2), "202");
+assertEq(f(16.3, 2), 18.3);
+assertEq((1 / f(-0, -0)), -Infinity);
+
+