diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug760103.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug760103.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,21 @@
+function test1() {
+    for (var i = 0; i <= 90; i++) {
+        var x = i/10.0;
+        if (Math.round(x) !== Math.floor(x + 0.5))
+            assertEq(0, 1);
+    }
+}
+test1();
+
+function test2() {
+    for (var i = -5; i >= -90; i--) {
+        if (i === -5)
+	    x = -0.500000000000001;
+        else
+	    x = i/10.0;
+
+        if (Math.round(x) !== Math.floor(x + 0.5))
+            assertEq(0, 1);
+    }
+}
+test2();