[jira] Resolved: (STDCXX-297) std::bitset constructor addressed memory beyond the object

["Farid Zaripov (JIRA)" <ji...@apache.org>]

     [ http://issues.apache.org/jira/browse/STDCXX-297?page=all ]

Farid Zaripov resolved STDCXX-297.
----------------------------------

    Resolution: Fixed

Fixed thus: http://svn.apache.org/viewvc?view=rev&rev=465512

> std::bitset constructor addressed memory beyond the object
> ----------------------------------------------------------
>
>                 Key: STDCXX-297
>                 URL: http://issues.apache.org/jira/browse/STDCXX-297
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: 23. Containers
>    Affects Versions: 4.1.3
>         Environment: All
>            Reporter: Farid Zaripov
>            Priority: Trivial
>             Fix For: 4.2
>
>
> he program below fails:
> ------------------------------------------
> #include <cassert>
> #include <new>
> #include <bitset>
> #include <string>
> #include <cstddef>
> #include <string.h>
> int main ()
> {
>     typedef std::bitset<128> BitSet;
>     const std::size_t size = sizeof (BitSet);
>     char buf [size + 4];
>     memset (buf, '\xff', sizeof (buf));
>     BitSet* btest = new (buf) BitSet (std::basic_string<int> ());
>     for (std::size_t i = size; i < sizeof (buf); ++i)
>         assert ('\xff' == buf [i]);
>     btest->~BitSet ();
>     return 0;
> }
> ------------------------------------------
> Assertion failed: '\xff' == buf [i], file test.cpp, line 19
> This application has requested the Runtime to terminate it in an unusual way.
> Please contact the application's support team for more information.
> ------------------------------------------

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