diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testReallyDeepNestedExit.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testReallyDeepNestedExit.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,38 @@
+function reallyDeepNestedExit(schedule)
+{
+    var c = 0, j = 0;
+    for (var i = 0; i < 5; i++) {
+        for (j = 0; j < 4; j++) {
+            c += (schedule[i*4 + j] == 1) ? 1 : 2;
+        }
+    }
+    return c;
+}
+function testReallyDeepNestedExit()
+{
+    var c = 0;
+    var schedule1 = new Array(5*4);
+    var schedule2 = new Array(5*4);
+    for (var i = 0; i < 5*4; i++) {
+        schedule1[i] = 0;
+        schedule2[i] = 0;
+    }
+    /**
+     * First innermost compile: true branch runs through.
+     * Second '': false branch compiles new loop edge.
+     * First outer compile: expect true branch.
+     * Second '': hit false branch.
+     */
+    schedule1[0*4 + 3] = 1;
+    var schedules = [schedule1,
+                     schedule2,
+                     schedule1,
+                     schedule2,
+                     schedule2];
+
+    for (var i = 0; i < 5; i++) {
+        c += reallyDeepNestedExit(schedules[i]);
+    }
+    return c;
+}
+assertEq(testReallyDeepNestedExit(), 198);