id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
4127	warning break strict-aliasing rules	anonymous	Peter Dimov	"Hello,
under x86_64, using g++ 4.4.1 with '-W -Wall -O3' , when trying to compile the code below
[code]
#include ""boost/make_shared.hpp""
#include <iostream>

int main(void)
{
  boost::shared_ptr<std::string> x = boost::make_shared<std::string>(""hello, world!"");
  std::cout << *x;
}
[/code] (copied from make_shared doc)

I get the folowing warnings:
>>> boost/smart_ptr/make_shared.hpp:52: warning: dereferencing type-punned pointer will break strict-aliasing rules"	Bugs	closed	Boost 1.43.0	smart_ptr	Boost Development Trunk	Problem	fixed	warning strict-aliasing