[perl #57876] An if statement isn't parsed correctly if it follows on a sub

[Carl Mäsak]

# New Ticket Created by  "Carl Mäsak" 
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r30183:
$ ./perl6 -e '
sub x {
}
if 1 {
}'
Statement not terminated properly at line 4, near "{\n}"
[...]

>From S04:

=head1 Statement-ending blocks

A line ending with a closing brace "C<}>", followed by nothing but
whitespace or comments, will terminate a statement if an end of statement
can occur there.  That is, these two statements are equivalent:

    my $x = sub { 3 }
    my $x = sub { 3 };