diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/bug808483.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/bug808483.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+pSandbox = newGlobal();
+evalcx("\
+    x = ArrayBuffer;\
+    y = Map();\
+    x += 1;\
+    w = x;\
+    x += '0';\
+    z = x;\
+", pSandbox);
+evalcx("\
+    x + '0';\
+", pSandbox);
+evalcx("\
+    y.delete(z);\
+    w.slice(2);\
+", pSandbox)