Implement a custom call compiler for Array.pop.

test/mjsunit/array-pop.js

+// Copyright 2010 the V8 project authors. All rights reserved.
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+// modification, are permitted provided that the following conditions are
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+
+// Check pops with various number of arguments.
+(function() {
+  var a = [];
+  for (var i = 0; i < 7; i++) {
+    a = [7, 6, 5, 4, 3, 2, 1];
+
+    assertEquals(1, a.pop(), "1st pop");
+    assertEquals(6, a.length, "length 1st pop");
+
+    assertEquals(2, a.pop(1), "2nd pop");
+    assertEquals(5, a.length, "length 2nd pop");
+
+    assertEquals(3, a.pop(1, 2), "3rd pop");
+    assertEquals(4, a.length, "length 3rd pop");
+
+    assertEquals(4, a.pop(1, 2, 3), "4th pop");
+    assertEquals(3, a.length, "length 4th pop");
+
+    assertEquals(5, a.pop(), "5th pop");
+    assertEquals(2, a.length, "length 5th pop");
+
+    assertEquals(6, a.pop(), "6th pop");
+    assertEquals(1, a.length, "length 6th pop");
+
+    assertEquals(7, a.pop(), "7th pop");
+    assertEquals(0, a.length, "length 7th pop");
+
+    assertEquals(undefined, a.pop(), "8th pop");
+    assertEquals(0, a.length, "length 8th pop");
+
+    assertEquals(undefined, a.pop(1, 2, 3), "9th pop");
+    assertEquals(0, a.length, "length 9th pop");
+  }
+})();