1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/exc-bailout-float32-reg.js b/js/src/jit-test/tests/ion/exc-bailout-float32-reg.js
new file mode 100644
index 0000000000..640eebc7f3
--- /dev/null
+++ b/js/src/jit-test/tests/ion/exc-bailout-float32-reg.js
@@ -0,0 +1,24 @@
+var x = 0;
+var o1 = {x: 1};
+var o2 = {};
+for (var o of [o1, o2]) {
+    Object.defineProperty(o, "thrower", {get: function() {
+        if (x++ > 1900) {
+            throw "error";
+        }
+    }});
+}
+function f() {
+    var res = 0;
+    try {
+        for (var i = 0; i < 2000; i++) {
+            res = Math.fround(i - 123456.7);
+            var o = (i & 1) ? o1 : o2;
+            o.thrower;
+            res++;
+        }
+    } catch(e) {}
+    assertEq(res, -121555.703125);
+    return res;
+}
+f();