1ea9b8ba58955b7efcc3e1550dd33a44fb4530136hpayer@chromium.org// Copyright 2010 the V8 project authors. All rights reserved. 290dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// Redistribution and use in source and binary forms, with or without 390dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// modification, are permitted provided that the following conditions are 490dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// met: 590dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// 690dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// * Redistributions of source code must retain the above copyright 790dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// notice, this list of conditions and the following disclaimer. 890dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// * Redistributions in binary form must reproduce the above 990dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// copyright notice, this list of conditions and the following 1090dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// disclaimer in the documentation and/or other materials provided 1190dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// with the distribution. 1290dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// * Neither the name of Google Inc. nor the names of its 1390dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// contributors may be used to endorse or promote products derived 1490dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// from this software without specific prior written permission. 1590dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// 1690dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1790dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1890dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1990dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2090dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2190dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2290dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2390dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2490dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2590dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2690dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2790dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org 28ea9b8ba58955b7efcc3e1550dd33a44fb4530136hpayer@chromium.org// Flags: --allow-natives-syntax --check-elimination 2990dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org 3090dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org 317d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.orgfunction test_empty() { 327d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org function foo(o) { 337d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org return { value: o.value }; 347d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org } 3590dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org 367d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org function Base() { 377d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org this.v_ = 5; 387d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org } 397d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org Base.prototype.__defineGetter__("value", function() { return 1; }); 4090dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org 417d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org var a = new Base(); 427d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org a.a = 1; 437d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org foo(a); 4490dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org 457d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org Base.prototype.__defineGetter__("value", function() { return this.v_; }); 467d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 477d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org var b = new Base(); 487d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org b.b = 1; 497d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org foo(b); 5090dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org 517d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org var d = new Base(); 527d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org d.d = 1; 537d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org d.value; 547d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 557d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org %OptimizeFunctionOnNextCall(foo); 567d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 577d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org var o = foo(b); 5890dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org} 5990dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org 60ea9b8ba58955b7efcc3e1550dd33a44fb4530136hpayer@chromium.org 617d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.orgfunction test_narrow1() { 627d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org function foo(o) { 637d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org return { value: o.value }; 647d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org } 657d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 667d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org function Base() { 677d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org this.v_ = 5; 687d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org } 697d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org Base.prototype.__defineGetter__("value", function() { return 1; }); 707d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 717d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org var a = new Base(); 727d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org a.a = 1; 737d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org foo(a); 747d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 757d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org Base.prototype.__defineGetter__("value", function() { return this.v_; }); 767d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 777d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org var b = new Base(); 787d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org b.b = 1; 797d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org foo(b); 80ea9b8ba58955b7efcc3e1550dd33a44fb4530136hpayer@chromium.org 817d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org var c = new Base(); 827d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org c.c = 1; 837d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org foo(c); 8490dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org 857d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org var d = new Base(); 867d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org d.d = 1; 877d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org d.value; 887d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 897d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org %OptimizeFunctionOnNextCall(foo); 907d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 917d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org var o = foo(b); 9290dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org} 9390dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org 9490dca01eac542464c29011d239bf18f26e0b8f00machenbach@chromium.org 957d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.orgfunction test_narrow2() { 967d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org function foo(o, flag) { 977d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org return { value: o.value(flag) }; 987d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org } 997d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 1007d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org function Base() { 1017d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org this.v_ = 5; 1027d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org } 1037d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org Base.prototype.value = function(flag) { return flag ? this.v_ : this.v_; }; 1047d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 1057d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 1067d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org var a = new Base(); 1077d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org a.a = 1; 1087d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org foo(a, false); 1097d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org foo(a, false); 1107d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 1117d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org var b = new Base(); 1127d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org b.b = 1; 1137d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org foo(b, true); 1147d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 1157d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org var c = new Base(); 1167d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org c.c = 1; 1177d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org foo(c, true); 1187d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 1197d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org var d = new Base(); 1207d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org d.d = 1; 1217d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org d.value(true); 1227d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 1237d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org %OptimizeFunctionOnNextCall(foo); 1247d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 1257d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org var o = foo(b); 1267d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org} 1277d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.org 1287d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.orgtest_empty(); 1297d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.orgtest_narrow1(); 1307d6bc7d843319c5e810228cdf793f36bcb109367machenbach@chromium.orgtest_narrow2(); 131