1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug909997.js b/js/src/jit-test/tests/ion/bug909997.js
new file mode 100644
index 0000000000..91d5c69bb3
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug909997.js
@@ -0,0 +1,42 @@
+// getJitCompilerOptions will always return array with zeros when JIT is
+// disabled. Therefore we quit now.
+if (inJit() == 'Baseline is disabled.') {
+    print("JIT is disabled.");
+    quit();
+}
+
+var wait = 100;
+
+var method_A = function() {
+    for (var t = 0; t < wait; ++t) {}
+}
+
+var method_B = function() {
+    for (var t = 0; t < wait; ++t) {}
+}
+
+var method_C = function() {
+    for (var t = 0; t < wait; ++t) {}
+}
+
+var method_D = function() {
+    for (var t = 0; t < wait; ++t) {}
+}
+
+var func = [method_A, method_B, method_C, method_D]
+
+for (var n = 0; n < 4; ++n) {
+    try {
+	setJitCompilerOption("baseline.enable", n & 1);
+	setJitCompilerOption("ion.enable", n & 2 ? 1: 0);
+    } catch(e) {
+	if (e.toString().includes("on the stack"))
+	    continue;
+	throw e;
+    }
+    var opt = getJitCompilerOptions();
+    assertEq(opt["baseline.enable"], n & 1);
+    assertEq(opt["ion.enable"], n & 2 ? 1 : 0);
+    for (var i = 0; i < 1001; ++i)
+        func[n]();
+}