diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testBug780288-1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testBug780288-1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+s = newGlobal()
+try {
+  evalcx("\
+	Object.defineProperty(this,\"i\",{enumerable:true,get:function(){t}});\
+	for each(y in this)true\
+  ", s)
+} catch (e) {}
+try {
+  evalcx("\
+	for(z=0,(7).watch(\"\",eval);;g){\
+	  if(z=1){({t:function(){}})\
+	}\
+	", s)
+} catch (e) {}
+try {
+  evalcx("\
+	Object.defineProperty(this,\"g2\",{get:function(){return this}});\
+	g2.y()\
+  ", s)
+} catch (e) {}