http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52669
Bug #: 52669
Summary: No warning in unused private variable in modules
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: minor
Priority: P3
Component: fortran
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: arnau...@users.sourceforge.net
>cat qq2.f
module mm
private
integer :: a, b, c
public :: aa1, aa2
contains
subroutine aa1
a = 1
end subroutine aa1
subroutine aa2
b = 1
end subroutine aa2
end module mm
>/usr/local/gcc/gfortran470 -Wall -c qq2.f
>/usr/local/gcc/gfortran470 --version | head -2
GNU Fortran (GCC) 4.7.0
Copyright (C) 2012 Free Software Foundation, Inc.
gfortran has not detected that private variable "c" is unused. Private module
variables that are not referenced within their module are unused.
