+2013-07-14 Thomas Koenig <tkoenig@gcc.gnu.org>
+ Tobias Burnus <burnus@gcc.gnu.org>
+
+ PR fortran/52669
+ * trans-decl.c (gfc_finish_var_decl): Move setting of
+ PRIVATE for a module variable if the module has a private
+ default or -fmodule-private is given to...
+ (gfc_create_module_variable): here. Optionally
+ warn about private module variable which is not used.
+
2013-07-08 Tobias Burnus <burnus@net-b.de>
PR fortran/57834
{
/* TODO: Don't set sym->module for result or dummy variables. */
gcc_assert (current_function_decl == NULL_TREE || sym->result == sym);
- /* This is the declaration of a module variable. */
- if (sym->attr.access == ACCESS_UNKNOWN
- && (sym->ns->default_access == ACCESS_PRIVATE
- || (sym->ns->default_access == ACCESS_UNKNOWN
- && gfc_option.flag_module_private)))
- sym->attr.access = ACCESS_PRIVATE;
if (sym->attr.access != ACCESS_PRIVATE || sym->attr.public_used)
TREE_PUBLIC (decl) = 1;
internal_error ("backend decl for module variable %s already exists",
sym->name);
+ if (sym->module && !sym->attr.result && !sym->attr.dummy
+ && (sym->attr.access == ACCESS_UNKNOWN
+ && (sym->ns->default_access == ACCESS_PRIVATE
+ || (sym->ns->default_access == ACCESS_UNKNOWN
+ && gfc_option.flag_module_private))))
+ sym->attr.access = ACCESS_PRIVATE;
+
+ if (warn_unused_variable && !sym->attr.referenced
+ && sym->attr.access == ACCESS_PRIVATE)
+ gfc_warning ("Unused PRIVATE module variable '%s' declared at %L",
+ sym->name, &sym->declared_at);
+
/* We always want module variables to be created. */
sym->attr.referenced = 1;
/* Create the decl. */
+2013-07-14 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR fortran/52669
+ * fortran.dg/module_variable_1.f90: New test.
+ * fortran.dg/module_variable_2.f90: New test.
+
2013-07-14 Marc Glisse <marc.glisse@inria.fr>
* g++.dg/ext/vector19.C: Adapt.
--- /dev/null
+! { dg-do compile }
+! { dg-options "-Wall" }
+module foo
+ integer, private :: i ! { dg-warning "Unused PRIVATE" }
+ integer, private :: j = 0
+contains
+ subroutine bar
+ j = j + 1
+ end subroutine bar
+end module foo
+
+module bar
+ private
+ integer :: i ! { dg-warning "Unused PRIVATE" }
+end module bar