[Bug c++/50594] Option -fwhole-program discards replaced new operator for std::string

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50594

--- Comment #18 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-10-04 
10:12:25 UTC ---
Ah yes, my mistake, <new> is not required for all of them, [basic.stc.dynamic]
says

The following allocation and deallocation functions (18.6) are implicitly
declared in global scope in each translation unit of a program.
  void* operator new(std::size_t);
  void* operator new[](std::size_t);
  void operator delete(void*);
  void operator delete[](void*);