bedtools issue with g++ 4.4.7

gistfile1.txt

#include <string>

namespace A
{

class B
{
    public:
        B();
        ~B();
    protected:
        void foo(const std::string& a, const std::string& b);

        std::string m_attribute;
};

B::B()
{
    foo("a1", "a2");
}

B::~B()
{

}

inline
void B::foo(const std::string& a, const std::string& b)
{
    static const std::string CONSTANT = ": ";

    m_attribute = a + CONSTANT + b;
}
}

int main(int argc, char**argv)
{
    A::B object;

    return 0;
}