parsing: fix conflicts
Eliminate reduce-reduce conflicts by enforcing the semantics of auto to be either the one of C and C++<11 or C++>=11, allowing the use of separate tokens for both cases
Prochaines maintenances programmées: lundi 06/05, lundi 03/06, lundi 01/07
Pour plus d'informations: https://doc-si.inria.fr/display/SU/Gitlab
Eliminate reduce-reduce conflicts by enforcing the semantics of auto to be either the one of C and C++<11 or C++>=11, allowing the use of separate tokens for both cases