diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug919118.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug919118.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+setJitCompilerOption("ion.usecount.trigger", 50);
+
+var f32 = new Float32Array(1);
+f32[0] = 13;
+var str = "CAN HAS cheezburger? OKTHXBYE";
+var c;
+
+function f() {
+    c = str[ f32[0] ];
+}
+
+for(var n = 100; n; --n) f();
+print (c);