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Diffstat (limited to 'deps/v8/test/mjsunit/regress/regress-regexp-codeflush.js')
-rw-r--r-- | deps/v8/test/mjsunit/regress/regress-regexp-codeflush.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-regexp-codeflush.js b/deps/v8/test/mjsunit/regress/regress-regexp-codeflush.js new file mode 100644 index 0000000000..5fa42bf8dc --- /dev/null +++ b/deps/v8/test/mjsunit/regress/regress-regexp-codeflush.js @@ -0,0 +1,55 @@ +// 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. + +// 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 durring the matching. + +var re = new RegExp('(s)', "g"); + +function foo() { + 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.replace(re, foo); +} |