Macro question

[Abhijit A. Mahabal]

This is a rather silly question:

The code:
        macro foo() { return {my $x = 7} }
        foo;
        print $x;

is equivalent to which of the following?

        {my $x = 7}
        print $x;

or

        my $x = 7;
        print $x;


Thanx,
abhi.