1 files changed, 55 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-omit-checks.js b/deps/v8/test/mjsunit/regress/regress-omit-checks.js
new file mode 100644
index 0000000000..e5d5074988
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/regress-omit-checks.js
@@ -0,0 +1,55 @@
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --allow-natives-syntax
+
+var a = {x:1};
+var a_deprecate = {x:1};
+a_deprecate.x = 1.5;
+function create() {
+  return {__proto__:a, y:1};
+}
+var b1 = create();
+var b2 = create();
+var b3 = create();
+var b4 = create();
+
+function set(b) {
+  b.x = 5;
+  b.z = 10;
+}
+
+set(b1);
+set(b2);
+%OptimizeFunctionOnNextCall(set);
+set(b3);
+var called = false;
+a.x = 1.5;
+Object.defineProperty(a, "z", {set:function(v) { called = true; }});
+set(b4);
+assertTrue(called);
+assertEquals(undefined, b4.z);