diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug738846.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug738846.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,49 @@
+try {
+    (function() {
+        var m
+        new ArrayBuffer()
+        var _ = t
+        var _2 = []
+    }())
+} catch (e) {}
+try {
+    for (y in [schedulegc(58)]) {
+        m
+    }
+} catch (e) {}
+try {
+    (function() {
+        true
+    }())
+} catch (e) {}
+try {
+    (function() {
+        s
+    }())
+} catch (e) {}
+try {
+    e
+} catch (e) {}
+try {
+    "" ()
+} catch (e) {}
+try {
+    gc()
+    s
+} catch (e) {}
+try {
+    (function() {
+        for (v of m) {}
+    }())
+} catch (e) {}
+try {
+    t
+} catch (e) {}
+try {
+    (function() {
+        "use strict";
+        print(new function() {
+            r
+        }(this))
+    }())
+} catch (e) {}