Object slicing in polymorphic base class pass-by-value

#include <iostream>
#include <string>

class Shape {
public:
    virtual std::string describe() const { return "Generic"; }
};

class Circle : public Shape {
public:
    std::string describe() const override { return "Circle"; }
};

// Passing Shape by value slices the Circle object
std::string getShapeInfo(Shape s) {
    return s.describe();
}

std::string renderShapeDescription(bool isCircle) {
    if (isCircle) {
        Circle c;
        return getShapeInfo(c);
    }
    Shape s;
    return getShapeInfo(s);
}

int main() {
    std::cout << renderShapeDescription(true) << std::endl;
    return 0;
}