| Message ID | CAH6eHdTMkVXQiyA5b8JK_=SqFdJHewW7GboHLgxt9LbY9ovEAg@mail.gmail.com |
|---|---|
| State | New |
| Headers | show |
--- a/libstdc++-v3/include/bits/shared_ptr_base.h +++ b/libstdc++-v3/include/bits/shared_ptr_base.h @@ -394,7 +394,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION public: template<typename... _Args> _Sp_counted_ptr_inplace(_Alloc __a, _Args&&... __args) - : _M_impl(__a), _M_storage() + : _M_impl(__a) { _M_impl._M_ptr = static_cast<_Tp*>(static_cast<void*>(&_M_storage)); // _GLIBCXX_RESOLVE_LIB_DEFECTS
This isn't a regression but is tiny and removes an unnecessary pessimisation, so I'm committing it to the 4.7 and 4.8 branches. The problem doesn't exist on the trunk. Tested x86_64-linux. 2013-10-30 Chris Studholme <cvs@cs.utoronto.ca> PR libstdc++/58912 * include/bits/shared_ptr_base.h (_Sp_counted_ptr_inplace): Remove unnecessary initialization of storage buffer.