>perl -MO=Deparse -e "my $check = ($y eq $z);my $check = $y eq $z;"
my $check = $y eq $z;
my $check = $y eq $z;
-e syntax OK

##</code><code>##

> perl -wle "my @hypothetical = (1 == 0); my $check = @hypothetical; print $check"
1