[NF] Convert equality of array type to DAE.ARRAY_EQUATION

Belonging to [master]:
  - #2743
  - OpenModelica/OpenModelica-testsuite#1063

Author: rfranke

Compiler/NFFrontEnd/NFConvertDAE.mo

@@ -461,7 +461,10 @@ algorithm
         e2 := Expression.toDAE(eq.rhs);
       then
         (if Type.isComplex(eq.ty) then
-           DAE.Element.COMPLEX_EQUATION(e1, e2, eq.source) else
+           DAE.Element.COMPLEX_EQUATION(e1, e2, eq.source)
+         elseif Type.isArray(eq.ty) then
+           DAE.Element.ARRAY_EQUATION(list(Dimension.toDAE(d) for d in Type.arrayDims(eq.ty)), e1, e2, eq.source)
+         else
            DAE.Element.EQUATION(e1, e2, eq.source)) :: elements;
 
     case Equation.CREF_EQUALITY()