Miért nem fordul le az alábbi c++ kód?

//main.cpp

#include<iostream>

#include<string>

#include<algorithm>

using std::cout;

using std::cin;

using std::string;

using std::endl;

using std::sort;

typedef unsigned short ushort;

typedef const bool(*const CBCSCS)(const string, const string);

const bool compareString(const string, const string);

int main(){

CBCSCS *pComp = compareString;

const ushort numberOfDates = 8;

string dates[numberOfDates];

cout << "Give your eight-date.";

for(ushort i = 0; i < numberOfDates; ++i){

cout << '\n' << i+1 << "-date: ";

getline(cin, dates[i], '\n');

}

sort(dates, dates+numberOfDates, pComp);

cout << "\n\nThe dates are in descending order:";

for(string *p = dates; p != dates+numberOfDates; ++p)

cout << *p << endl;

return 0;

}

const bool compareString(const string str1, const string str2)

{return str1.compare(str2) > 0;}

/*Hibaüzenet:

/usr/include/c++/4.7/bits/stl_heap.h:310:4: error: ‘__comp’ cannot be used as a function*/