diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/recompile/native.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/recompile/native.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+
+/* Handle recompilations triggered by native calls. */
+
+function dofloor(v)
+{
+  var res = "";
+  for (var i = 0; i < 10; i++) {
+    var q = Math.floor(v + i);
+    res += q + ",";
+  }
+  assertEq(res, "2147483642,2147483643,2147483644,2147483645,2147483646,2147483647,2147483648,2147483649,2147483650,2147483651,");
+}
+dofloor(0x7ffffffa + .5);
+
+function mapfloor(a)
+{
+  var b = a.map(function(v) { return Math.floor(v); });
+
+  var res = "";
+  for (var i = 0; i < b.length; i++)
+    res += b[i] + ",";
+  return res;
+}
+mapfloor([1,2]);
+mapfloor([3,4]);
+assertEq(mapfloor([0x7ffffffa + 2.5, 0x7ffffffa + 20.5]), "2147483644,2147483662,");