diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug743876.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug743876.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,35 @@
+// Binary: cache/js-dbg-64-434f50e70815-linux
+// Flags: -m -n -a
+//
+
+var lfcode = new Array();
+lfcode.push("3");
+lfcode.push("\
+evaluate(\"\");\
+function slice(a, b) {\
+    return slice(index, ++(ArrayBuffer));\
+}\
+");
+lfcode.push("0");
+lfcode.push("var arr = [0, 1, 2, 3, 4];\
+function replacer() {\
+  assertEq(arguments.length, 2);\
+  var key = arguments[0], value = arguments[1];\
+  return value;\
+}\
+assertEq(JSON.stringify(arr, replacer), '[0,1,2,3,4]');\
+");
+while (true) {
+        var file = lfcode.shift(); if (file == undefined) { break; }
+                loadFile(file);
+}
+function loadFile(lfVarx) {
+                if (!isNaN(lfVarx)) {
+                        lfRunTypeId = parseInt(lfVarx);
+                } else {
+                        switch (lfRunTypeId) {
+                                case 0: evaluate(lfVarx); break;
+                                case 3: function newFunc(x) { new Function(x)(); }; newFunc(lfVarx); break;
+                }
+        }
+}