diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/inline/doubleArg.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/inline/doubleArg.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+function foo(x, y) {
+  if (y < 0) {}
+  return x * 1000;
+}
+function bar(x, y) {
+  while (false) {}
+  assertEq(foo(x, false), 10500);
+  assertEq(foo(y, false), 11000);
+}
+bar(10.5, 11);