Inconsistent handling of structural parameters

[Patrick Täuber]

In the following model b1 is detected as a structural parameter and b2 not:

model parameterBug2
  parameter Boolean b1 = true;
  parameter Boolean b2 = true;
  parameter Integer p1 = if b1 then p2 else 0;
  parameter Integer p2 = if b2 then 0 else p1;
equation
end parameterBug2;

-d=printStructuralParameters:

"Notification: The following structural parameters were evaluated in the front-end: b1

Switching the order in the following way leads to b2 detected as structural and not b1:

model parameterBug2
  parameter Boolean b2 = true;
  parameter Boolean b1 = true;
  parameter Integer p1 = if b1 then p2 else 0;
  parameter Integer p2 = if b2 then 0 else p1;
equation
end parameterBug2;

-d=printStructuralParameters:

"Notification: The following structural parameters were evaluated in the front-end: b2