No, it's still wrong, and for the same reason. Arguments aren't evaluated. Arguments are values, not code.
You are probably referring to the argument list expression, but it's not necessary evaluated from left-to-right either.
Here's an example that's right-to-left:
$ perl -E'
sub L :lvalue { say "L"; $L }
sub R { say "R"; $R }
sub { }->( L() = R() );
'
R
L
Here's an example that's neither:
$ perl -E'
sub X1 :lvalue { say "X1"; $X1 }
sub X2 { say "X2"; $X2 }
sub X3 { say "X3"; $X3 }
sub { }->( X1() = X2() || X3() );
'
X2
X3
X1
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