gdb_bug.cpp

// compile with: g++ -lboost_thread -lboost_system -ggdb -O0 -std=c++1y gdb_bug.cc



#include <boost/thread.hpp>
#include <iostream>

using namespace std;
using namespace boost;

static void thread_start(void *data) {
	cout << "hello world\n" << flush;
}


int main () {
	cout << "before\n" << flush;
	boost::thread th(thread_start, (void*)0);
	cout << "1" << flush;
	th.detach();
	cout << "2" << flush;
	for(int a =0; a < 1000000; a++);
	cout << "3" << flush;
	return 0;
}