Revert trunk to bleeding_edge at r12484

test/mjsunit/regress/regress-2326.js

-// 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,
-// 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.
-
-// This tests that we do not share optimized code across closures that
-// were optimized using OSR (for a particular OSR entry AST id) even if
-// caching of optimized code kicks in.
-
-function makeClosure() {
-  function f(mode, iterations) {
-    var accumulator = 0;
-    if (mode == 1) {
-      while (--iterations > 0) accumulator = Math.ceil(accumulator);
-      return 1;
-    } else {
-      while (--iterations > 0) accumulator = Math.floor(accumulator);
-      return 2;
-    }
-  }
-  return f;
-}
-
-// Generate two closures sharing the same underlying function literal.
-var f1 = makeClosure();
-var f2 = makeClosure();
-
-// This function should be optimized via OSR in the first tight loop.
-assertSame(1, f1(1, 100000));
-
-// This function should be optimized via OSR in the second tight loop.
-assertSame(2, f2(2, 100000));