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      1 // Copyright 2013 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 // Flags: --allow-natives-syntax
     29 
     30 var a = {};
     31 a.x = 1
     32 a.y = 1.5
     33 
     34 var b = {}
     35 b.x = 1.5;
     36 b.y = 1;
     37 
     38 var c = {}
     39 c.x = 1.5;
     40 
     41 var d = {}
     42 d.x = 1.5;
     43 
     44 var e = {}
     45 e.x = 1.5;
     46 
     47 var f = {}
     48 f.x = 1.5;
     49 
     50 var g = {}
     51 g.x = 1.5;
     52 
     53 var h = {}
     54 h.x = 1.5;
     55 
     56 var i = {}
     57 i.x = 1.5;
     58 
     59 var o = {}
     60 var p = {y : 10, z : 1}
     61 o.__proto__ = p;
     62 delete p.z
     63 
     64 function foo(v, w) {
     65   // Make load via IC in optimized code. Its target will get overwritten by
     66   // lazy deopt patch for the stack check.
     67   v.y;
     68   // Make store with transition to make this code dependent on the map.
     69   w.y = 1;
     70   return b.y;
     71 }
     72 
     73 foo(o, c);
     74 foo(o, d);
     75 foo(o, e);
     76 %OptimizeFunctionOnNextCall(foo);
     77 foo(b, f);
     78 foo(b, g);
     79 foo(b, h);
     80 foo(a, i);
     81