Support inlining at call-sites with mismatched number of arguments.

test/mjsunit/compiler/regress-funarguments.js

-// Copyright 2010 the V8 project authors. All rights reserved.
+// 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,
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 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+// Flags: --allow-natives-syntax
+
 // 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;
 }
@@ skipping 15 matching lines @@
 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);
+function opt() {
+  for (var k=0; k<2; k++) {
+    for (var i=0; i<5; i++) o.g(i, "g");
+    for (var j=0; j<5; j++) hej(j);
+  }
+  %OptimizeFunctionOnNextCall(o.g);
+  %OptimizeFunctionOnNextCall(hej);
 }
 
-stress();
-
+opt();
 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();
-
+opt();
 assertArrayEquals([0, "f"], o.g(0, "g"));
 assertArrayEquals([1, "g"], o.g(1, "g"));
 assertArrayEquals([0, "f"], hej(0));
 assertArrayEquals([1, "h"], hej(1));