1 files changed, 44 insertions, 0 deletions
diff --git a/src/3rdparty/v8/test/mjsunit/compiler/proto-chain-load.js b/src/3rdparty/v8/test/mjsunit/compiler/proto-chain-load.js
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+++ b/src/3rdparty/v8/test/mjsunit/compiler/proto-chain-load.js
@@ -0,0 +1,44 @@
+// Copyright 2012 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
+
+// Test HLoadNamedField on the proto chain.
+
+var obj4 = Object.create(null, { f4: {value: 4} });
+var obj3 = Object.create(obj4, { f3: {value: 3} });
+var obj2 = Object.create(obj3, { f2: {value: 2} });
+var obj1 = Object.create(obj2, { f1: {value: 1} });
+var obj0 = Object.create(obj1, { f0: {value: 0} });
+
+function get4(obj) { return obj.f4; }
+
+assertEquals(4, get4(obj0));
+assertEquals(4, get4(obj0));
+%OptimizeFunctionOnNextCall(get4);
+assertEquals(4, get4(obj0));
+assertEquals(4, get4(obj0));