[Bug tree-optimization/18040] [4.0 Regression] ICE in for_each_index, at tree-ssa-loop-im.c:178

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-10-17 16:11 -------
Here is the reduced testcase to make your investigation easier:
typedef struct _object PyObject;
int PyObject_IsTrue(PyObject *);

class object;
typedef PyObject* (object::*bool_type)() const;

struct object_base
{
    operator bool_type() const;
    ~object_base();
    PyObject* ptr() const;
};
struct object : public object_base
{
    object();
    template <class T>
    explicit object(T const& x) ;
};

inline object_base::operator bool_type() const
{
    const object &x = *static_cast<object const*>(this);
    return PyObject_IsTrue(x.ptr()) ? &object::ptr : 0;
}

void f(const char *);

void argument_error (void)
{
    for (unsigned n = 0; n < 100; ++n)
    {
	object kv("");
	if (kv)
	  f("");
    }
}


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18040