[Isolates] Merge crankshaft (r5922 from bleeding_edge).

test/mjsunit/compiler/regress-funarguments.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.
+
+// Test function.arguments.
+
+function A() {}
+function B() {}
+
+function fee(x, y) {
+  if (x == 1) return fee["arg" + "uments"];
+  if (x == 2) return gee["arg" + "uments"];
+  return 42;
+}
+
+function gee(x) { return this.f(2 - x, "f"); }
+
+function foo(x, y) {
+  if (x == 0) return foo["arg" + "uments"];
+  if (x == 1) return goo["arg" + "uments"];
+  return 42;
+}
+
+function goo(x) { return this.f(x, "f"); }
+
+A.prototype.f = fee;
+A.prototype.g = gee;
+
+B.prototype.f = foo;
+B.prototype.g = goo;
+
+var o = new A();
+
+function hej(x) {
+  if (x == 0) return o.g(x, "h");
+  if (x == 1) return o.g(x, "h");
+  return o.g(x, "z");
+}
+
+function stress() {
+  for (var i=0; i<5000000; i++) o.g(i, "g");
+  for (var j=0; j<5000000; j++) hej(j);
+}
+
+stress();
+
+assertArrayEquals([0, "g"], o.g(0, "g"));
+assertArrayEquals([1, "f"], o.g(1, "g"));
+assertArrayEquals([0, "h"], hej(0));
+assertArrayEquals([1, "f"], hej(1));
+
+o = new B();
+
+stress();
+
+assertArrayEquals([0, "f"], o.g(0, "g"));
+assertArrayEquals([1, "g"], o.g(1, "g"));
+assertArrayEquals([0, "f"], hej(0));
+assertArrayEquals([1, "h"], hej(1));