0test.stp

global a;

function f() {
    a = "stringcheese";
}

function g() {
    a = 32;
}

probe begin {
    g();
    f();
}

1dupe-error-msg.txt

semantic error: type mismatch (long): identifier 'a' at test.stp:8:5
        source:     a = 32;
                    ^

semantic error: type mismatch (long): identifier 'a' at :8:5
        source:     a = 32;
                    ^

semantic error: type was first inferred here (string): identifier 'a' at :4:5
        source:     a = "blamefche";
                    ^

Pass 2: analysis failed.  [man error::pass2]