https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64958
--- Comment #6 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > Warning is output by gfortran 6.3.0. > ... Not a warning, but an error as it shall. This PR is different: it is about the case where the INTENT(IN) is obfuscated by a subroutine.
