Fixes for #1946

- guard Types.subtype2(ty1, tuple(ty2, _)) -> Types.subtype2(ty1, ty2) and 
        Types.subtype2(tuple(ty1, _), ty2) -> Types.subtype2(ty1, ty2)
  to be executed only for normal Modelica and not MetaModelica


git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@14047 f25d12d1-65f4-0310-ae8a-bbce733d8d8e

Compiler/FrontEnd/Types.mo

@@ -1443,12 +1443,14 @@ algorithm
     // check of tuple vs. type: i.e. abs(fcallReturningTuple)
     // we try subtype of the first tuple element with the other type!
     case (DAE.T_TUPLE(tupleType = tp1::_), tp2, _)
-      equation 
+      equation
+        false = Config.acceptMetaModelicaGrammar();
         true = subtype2(tp1, tp2, requireRecordNamesEqual);
       then
         true;
     case (tp1, DAE.T_TUPLE(tupleType = tp2::_), _)
-      equation 
+      equation
+        false = Config.acceptMetaModelicaGrammar();
         true = subtype2(tp1, tp2, requireRecordNamesEqual);
       then
         true;