[Isolates] Merge crankshaft (r5922 from bleeding_edge).

test/mjsunit/compiler/simple-bailouts.js

 // Copyright 2010 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: --fast-compiler
-
 function Test() {
   this.result = 0;
   this.x = 0;
   this.y = 0;
   this.z = 0;
 }
 var a = 1;
 var b = 2;
 var c = 4;
 var d = 8;
@@ skipping 45 matching lines @@
   // If this.x = 2 and a = 1.1:
   this.z =              // (14 | 1.1) == 15
       (this.x =         // (6 | 8) == 14
            (this.y =    // (2 | 4) == 6
                 this.x  // 2
                 | c)    // 4
             | d)        // 8
        | a;             // 1.1
 }
 
+Test.prototype.test10 = function() {
+  this.z = (a >> b) | (c >> c);
+}
+
+Test.prototype.test11 = function(x) {
+  this.z = x >> x;
+}
+
 var t = new Test();
 
 t.test0();
 assertEquals(3, t.result);
 
 t.test1();
 assertEquals(7, t.result);
 t.test2();
 assertEquals(7, t.result);
 
@@ skipping 13 matching lines @@
 t.test8();
 assertEquals(4, t.x);
 assertEquals(3, t.y);
 assertEquals(5, t.z);
 
 t.x = 2;
 t.test9();
 assertEquals(14, t.x);
 assertEquals(6, t.y);
 assertEquals(15, t.z);
+
+a = "2";
+t.test11(a);
+assertEquals(0, t.z);
+
+a = 4;
+b = "1";
+c = 2;
+t.test10();
+assertEquals(2, t.z);