- CodegenC.expTypeFromExpFlag return {boolean,modelica_boolean} in case of relation, because relations return booleans values

git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@13862 f25d12d1-65f4-0310-ae8a-bbce733d8d8e

Author: Jens Frenkel

Compiler/Template/CodegenC.tpl

@@ -8009,8 +8009,8 @@ template expTypeFromExpFlag(Exp exp, Integer flag)
   case e as BINARY(__)
   case e as UNARY(__)
   case e as LBINARY(__)
-  case e as LUNARY(__)
-  case e as RELATION(__) then expTypeFromOpFlag(e.operator, flag)
+  case e as LUNARY(__)   then expTypeFromOpFlag(e.operator, flag)
+  case e as RELATION(__) then match flag case 1 then "boolean" else "modelica_boolean"
   case IFEXP(__)         then expTypeFromExpFlag(expThen, flag)
   case CALL(attr=CALL_ATTR(__)) then expTypeFlag(attr.ty, flag)
   case c as ARRAY(__)