Try/catch with multiple classes
-----
<?php
try {
    $x;
} catch (X|Y $e1) {
    $y;
} catch (\A|B\C $e2) {
    $z;
}
-----
!!php7
array(
    0: Stmt_TryCatch(
        stmts: array(
            0: Stmt_Expression(
                expr: Expr_Variable(
                    name: x
                )
            )
        )
        catches: array(
            0: Stmt_Catch(
                types: array(
                    0: Name(
                        parts: array(
                            0: X
                        )
                    )
                    1: Name(
                        parts: array(
                            0: Y
                        )
                    )
                )
                var: Expr_Variable(
                    name: e1
                )
                stmts: array(
                    0: Stmt_Expression(
                        expr: Expr_Variable(
                            name: y
                        )
                    )
                )
            )
            1: Stmt_Catch(
                types: array(
                    0: Name_FullyQualified(
                        parts: array(
                            0: A
                        )
                    )
                    1: Name(
                        parts: array(
                            0: B
                            1: C
                        )
                    )
                )
                var: Expr_Variable(
                    name: e2
                )
                stmts: array(
                    0: Stmt_Expression(
                        expr: Expr_Variable(
                            name: z
                        )
                    )
                )
            )
        )
        finally: null
    )
)