Readded files that were accidentally removed.

tests/corelib_strong/regexp/regress-regexp-codeflush_test.dart

-// Copyright (c) 2014, the Dart project authors. All rights reserved.
-// 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
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-import 'v8_regexp_utils.dart';
-import 'package:expect/expect.dart';
-
-void main() {
-  // Flags: --gc_global
-
-  // Regression test for regexp that has multiple matches and which
-  // internally calls RegExpImpl::IrregexpExecOnce more than once without
-  // ensuring that the regexp is compiled.
-  // This can create a crash if the code was exchanged with the sweep
-  // generation (for code flushing support) in GC during the matching.
-
-  var re = new RegExp('(s)');
-
-  dynamic foo(Match m) {
-    return "42";
-  }
-
-  // Run enough times to get a number of GC's (all mark sweep because of the
-  // --gc_global) flag.
-  for (var i = 0; i < 10; i++) {
-    // Make a long string with plenty of matches for re.
-    var x = "s foo s bar s foo s bar s";
-    x = x + x;
-    x = x + x;
-    x = x + x;
-    x = x + x;
-    x = x + x;
-    x = x + x;
-    x = x + x;
-    x.replaceAllMapped(re, foo);
-  }
-}