diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug748119.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug748119.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,95 @@
+// Binary: cache/js-dbg-32-17af008937e3-linux
+// Flags: -m -n -a
+//
+var lfcode = new Array();
+lfcode.push("\
+var gTestcases = new Array();\
+var gTc = gTestcases.length;\
+function TestCase(n, d, e, a) {\
+  this.passed = getTestCaseResult(e, a);\
+  this.bugnumber = typeof(BUGNUMER) != 'undefined' ? BUGNUMBER : '';\
+  gTestcases[gTc++] = this;\
+}\
+for (var i=0; i<len; i++) {}\
+function reportCompare (expected, actual, description) {\
+  var testcase = new TestCase(\"unknown-test-name\", description, expected, actual);\
+  if (testcase.passed)\
+  printStatus (\"Expected match to '\" + toPrinted(expectedRegExp) + \"' matched actual value '\" + toPrinted(actual) + \"'\");\
+}\
+function getTestCaseResult(expected, actual)\
+function stopTest() {}\
+");
+lfcode.push("\
+var UBound = 0;\
+var TEST_PASSED = 'SyntaxError';\
+var TEST_FAILED = 'Generated an error, but NOT a SyntaxError!';\
+var statusitems = [];\
+var actualvalues = [];\
+var expectedvalues = [];\
+testThis(' /a**/ ');\
+testThis(' /a***/ ');\
+testThis(' /a++/ ');\
+testThis(' /a+++/ ');\
+testThis(' /a???/ ');\
+testThis(' /a????/ ');\
+testThis(' /+a/ ');\
+testThis(' /++a/ ');\
+testThis(' /?a/ ');\
+testThis(' /??a/ ');\
+testThis(' /x{1}{1}/ ');\
+testThis(' /x{1,}{1}/ ');\
+testThis(' /x{1,2}{1}/ ');\
+testThis(' /x{1}{1,}/ ');\
+testThis(' /x{1,}{1,}/ ');\
+testThis(' /x{1,2}{1,}/ ');\
+testThis(' /x{1}{1,2}/ ');\
+testThis(' /x{1,}{1,2}/ ');\
+function testThis(sInvalidSyntax) {\
+  try {\
+    eval(sInvalidSyntax);\
+  } catch(e) {\
+    actual = TEST_PASSED;\
+  }\
+}\
+function checkThis(sAllowedSyntax) {}\
+reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);\
+exitFunc ('test');\
+");
+lfcode.push("gczeal(4);");
+lfcode.push("\
+var MSG_PATTERN = '\\nregexp = ';\
+var MSG_STRING = '\\nstring = ';\
+var MSG_EXPECT = '\\nExpect: ';\
+var MSG_ACTUAL = '\\nActual: ';\
+var TYPE_STRING = typeof 'abc';\
+function testRegExp(statuses, patterns, strings, actualmatches, expectedmatches)\
+        lExpect = expectedmatch.length;\
+        lActual = actualmatch.length;\
+        var expected = formatArray(expectedmatch);\
+          reportCompare(expected, actual, state + ERR_MATCH +  CHAR_NL  );\
+function getState(status, pattern, string) {\
+  var delim = CHAR_COMMA + CHAR_SPACE;\
+");
+lfcode.push("\
+var gTestcases = new Array;\
+function TestCase(n, d, e, a) {}\
+function toPrinted(value) value=value.replace(/\\\\n/g, 'NL').replace(/[^\\x20-\\x7E]+/g, escapeString);\
+");
+lfcode.push("\
+var summary = 'Regression test for bug 385393';\
+var expect = 'No Crash';\
+  reportCompare(expect, actual, summary);\
+");
+while (true) {
+	var file = lfcode.shift(); if (file == undefined) { break; }
+                loadFile(file);
+}
+function loadFile(lfVarx) {
+	try {
+		if (lfVarx.substr(-3) == ".js") {
+			switch (lfRunTypeId) {			}
+		} else {
+			evaluate(lfVarx);
+		}
+	} catch (lfVare) {	}
+}