diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/gc/multi-03.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/gc/multi-03.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,11 @@
+/* Exercise the path where we want to collect a new compartment in the middle of incremental GC. */
+
+var g1 = newGlobal();
+var g2 = newGlobal();
+
+schedulegc(g1);
+schedulegc(g2);
+gcslice(0);
+schedulegc(g1);
+gcslice(1);
+gcslice();