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/* { dg-do run } */
/* { dg-options "-O2" } */

/* The tail call optimization would inapproriately tail call the 
   destructors due to not recognizing a call clobbered variable */
namespace std
{
        class locale
        {
                public:
                        locale();
                        ~locale();
        };
}

struct B
{
        std::locale _M_buf_locale;
        virtual ~B() {}
};

struct C : public B
{
        char *s;
};

void foo ()
{
        C c;
}

int main()
{
        foo ();
        return 0;
}