Hi all, I am planning to commit the following patch
--- ../_clean/gcc/fortran/module.c 2019-03-21 20:46:46.000000000 +0100 +++ gcc/fortran/module.c 2019-04-11 10:28:37.000000000 +0200 @@ -7144,8 +7144,12 @@ gfc_use_module (gfc_use_list *module) for (p = gfc_state_stack; p; p = p->previous) if ((p->state == COMP_MODULE || p->state == COMP_SUBMODULE) && strcmp (p->sym->name, module_name) == 0) - gfc_fatal_error ("Cannot USE the same %smodule we're building", - p->state == COMP_SUBMODULE ? "sub" : ""); + { + if (p->state == COMP_SUBMODULE) + gfc_fatal_error ("Cannot USE a submodule that is currently built"); + else + gfc_fatal_error ("Cannot USE a module that is currently built"); + } init_pi_tree (); init_true_name_tree (); While testing it I did not find any coverage of these errors in the test suite. TIA Dominique