1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/baseline/bug836742.js b/js/src/jit-test/tests/baseline/bug836742.js
new file mode 100644
index 000000000..d2f1d68ac
--- /dev/null
+++ b/js/src/jit-test/tests/baseline/bug836742.js
@@ -0,0 +1,33 @@
+// Ensure the correct frame is passed to exception unwind hooks.
+var g = newGlobal();
+g.debuggeeGlobal = this;
+g.eval("(" + function () {
+    frames = [];
+    var dbg = Debugger(debuggeeGlobal);
+    dbg.onEnterFrame = function(frame) {
+	frames.push(frame);
+    };
+    dbg.onExceptionUnwind = function(frame) {
+	assertEq(frames.indexOf(frame), frames.length - 1);
+	frames.pop();
+	assertEq(frame, dbg.getNewestFrame());
+    }
+} + ")()");
+
+function f(n) {
+    debugger;
+    n--;
+    if (n > 0) {
+        f(n);
+    } else {
+	assertEq(g.frames.length, 10);
+        throw "fit";
+    }
+}
+try {
+    f(10);
+    assertEq(0, 1);
+} catch (e) {
+    assertEq(e, "fit");
+}
+assertEq(g.frames.length, 0);