diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug655940.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug655940.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+// Binary: cache/js-dbg-32-32e8c937a409-linux
+// Flags: -m -n -a
+//
+NaN.__proto__;
+function f0() {
+    try {} catch(e) {}
+}
+for (i = 0; i < 9; i++) {
+    new f0;
+    f0();
+    gc()
+}