gistfile1.txt

>cl test.cpp
Microsoft (R) C/C++ Optimizing Compiler Version 19.43.34809 for x64
Copyright (C) Microsoft Corporation.  All rights reserved.

test.cpp
test.cpp(12): warning C4530: C++ exception handler used, but unwind semantics are not enabled. Specify /EHsc
Microsoft (R) Incremental Linker Version 14.43.34809.0
Copyright (C) Microsoft Corporation.  All rights reserved.

/out:test.exe
test.obj

>test.exe
Default ctor
Inside catch
Copy ctor
Created exception_ptr
Default ctor
Copy ctor
Caught lvalue exception
Copy ctor
Default ctor
Copy ctor
Copy ctor

test.cpp

#include <iostream>
#include <exception>

struct MyException {
    MyException() { std::cout << "Default ctor\n"; }
    MyException(const MyException&) { std::cout << "Copy ctor\n"; }
    MyException(MyException&&) noexcept { std::cout << "Move ctor\n"; }
};

int main() {
    try {
        throw MyException();
    } catch(...) {
        std::cout << "Inside catch\n";
        std::exception_ptr eptr = std::current_exception();
        std::cout << "Created exception_ptr\n";
    }

    MyException e;
    try {
        throw e;
    } catch(...) {
        std::cout << "Caught lvalue exception\n";
        std::exception_ptr eptr = std::current_exception();
    }

    MyException obj;
    std::exception_ptr eptr2 = std::make_exception_ptr(obj);
}