diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testDivisionFloat.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testDivisionFloat.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+function testDivisionFloat() {
+    var a = 32768.0;
+    var b;
+    while (b !== 1) {
+        b = a / 2.0;
+        a = b;
+    }
+    return a === 1.0;
+}
+assertEq(testDivisionFloat(), true);