[Bug libstdc++/63840] std::function copy constructor deletes an uninitialized pointer if new fails

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63840

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Sat Dec  6 22:24:11 2014
New Revision: 218456

URL: https://gcc.gnu.org/viewcvs?rev=218456&root=gcc&view=rev
Log:
    PR libstdc++/63840
    * include/std/functional (function::function(const function&)): Set
    _M_manager after operations that might throw.
    * include/tr1/functional (function::function(const function&),
    function::functionFunctor, _Useless)): Likewise.
    * testsuite/20_util/function/63840.cc: New.
    * testsuite/tr1/3_function_objects/function/63840.cc: New.

Added:
    branches/gcc-4_9-branch/libstdc++-v3/testsuite/20_util/function/63840.cc
   
branches/gcc-4_9-branch/libstdc++-v3/testsuite/tr1/3_function_objects/function/63840.cc
Modified:
    branches/gcc-4_9-branch/libstdc++-v3/ChangeLog
    branches/gcc-4_9-branch/libstdc++-v3/include/std/functional
    branches/gcc-4_9-branch/libstdc++-v3/include/tr1/functional