Tracking construction and destruction with temporary objects

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Analyze the following program. When compiled as C++17 or later with GCC or Clang using default settings, what sequence is printed to standard output?

#include <iostream>

struct Logger {
    Logger()        { std::cout << "C"; }
    Logger(const Logger&) { std::cout << "P"; }
    ~Logger()       { std::cout << "D"; }
};

Logger build() {
    Logger temp;
    return temp;
}

int main() {
    build();
}

Analyze the following program. When compiled as C++17 or later with GCC or Clang using default settings, what sequence is printed to standard output?

#include <iostream>

struct Logger {
    Logger()        { std::cout << "C"; }
    Logger(const Logger&) { std::cout << "P"; }
    ~Logger()       { std::cout << "D"; }
};

Logger build() {
    Logger temp;
    return temp;
}

int main() {
    build();
}