1 files changed, 24 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-3307.js b/deps/v8/test/mjsunit/regress/regress-3307.js
new file mode 100644
index 000000000..1fc770d20
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-3307.js
@@ -0,0 +1,24 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+
+function p(x) {
+  this.x = x;
+}
+
+function f() {
+  var a = new p(1), b = new p(2);
+  for (var i = 0; i < 1; i++) {
+    a.x += b.x;
+  }
+  return a.x;
+}
+
+new p(0.1);  // make 'x' mutable box double field in p.
+
+assertEquals(3, f());
+assertEquals(3, f());
+%OptimizeFunctionOnNextCall(f);
+assertEquals(3, f());