diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/gc/bug-945275.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/gc/bug-945275.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+function TestCase(n) {
+  this.name = undefined;
+  this.description = undefined;
+}
+gczeal(7,1);
+eval("\
+function reportCompare() new TestCase;\
+reportCompare();\
+Object.defineProperty(Object.prototype, 'name', {});\
+reportCompare();\
+");