Fix a bug that occurs when functions are defined with more than 16,382 parame...

test/mjsunit/regress/regress-1122.js

+// Copyright 2011 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
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+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that we can handle functions with up to 32766 arguments, and that
+// functions with more arguments throw an exception.
+
+// See http://code.google.com/p/v8/issues/detail?id=1122.
+
+function function_with_n_args(n) {
+  test_prefix = 'prefix ';
+  test_suffix = ' suffix';
+  var source = 'test_prefix + (function f(';
+  for (var arg = 0; arg < n ; arg++) {
+    if (arg != 0) source += ',';
+    source += 'arg' + arg;
+  }
+  source += ') { return arg' + (n - n % 2) / 2 + '; })(';
+  for (var arg = 0; arg < n ; arg++) {
+    if (arg != 0) source += ',';
+    source += arg;
+  }
+  source += ') + test_suffix';
+  return eval(source);
+}
+
+assertEquals('prefix 4000 suffix', function_with_n_args(8000));
+assertEquals('prefix 9000 suffix', function_with_n_args(18000));
+assertEquals('prefix 16000 suffix', function_with_n_args(32000));
+
+assertThrows(function_with_n_args(35000));
+assertThrows(function_with_n_args(100000));