http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55978
--- Comment #13 from janus at gcc dot gnu.org 2013-02-05 22:26:55 UTC --- (In reply to comment #12) > program main > implicit none > > integer, pointer :: y(:) > > y => null() > call a4t2(y) > > contains > > subroutine a4t2(x) > integer, intent(in) :: x(4) > end subroutine > > end Ok, sorry. This one is actually invalid, which is correctly caught by -fcheck=all: Fortran runtime error: Pointer actual argument 'y' is not associated However, it becomes valid when making 'x' optional (but still gives the valgrind error).
