Array Initialziation in Function Fails

[ravi]

model tryme

Real y ;

equation

y = myfun(3.4) * y + 2 ;

end tryme;

function myfun
input Real x ;
output Real y ;

protected Real z[3 ]= {1,2,3} ; This Falis (why ??)

protected Real z[3] ; Works

algorithm

z[1] := x ;
y := 2 * z[1] ;

end myfun;