diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/baseline/bug847678.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/baseline/bug847678.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+// |jit-test| error: SyntaxError
+s = newGlobal();
+function g(c) {
+    evalcx(c, s)
+}
+g("[eval]=(function(){})")
+g("while(eval());")