pault accidently committed in r260414 the 2-line patchr from comment #5 of https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85786
which fixes the PR. I have converted the code in comment #3 into a testcase and committed to ensure that the bug does not re-appear. Code attached. 2018-05-25 Steven G. Kargl <ka...@gcc.gnu.org> PR fortran/85786 * gfortran.dg/pr85786.f90: New test. -- Steve
Index: gcc/testsuite/gfortran.dg/pr85786.f90 =================================================================== --- gcc/testsuite/gfortran.dg/pr85786.f90 (nonexistent) +++ gcc/testsuite/gfortran.dg/pr85786.f90 (working copy) @@ -0,0 +1,46 @@ +! { dg-do run } +! PR fortran/85786 +program test + + implicit none + + type :: p2d + real, pointer :: p(:,:) => null() + end type p2d + + type :: test_cs + type(p2d), pointer :: v(:) => null() + end type test_cs + + type(test_cs), pointer :: cs + real, allocatable, target :: e(:,:) + + allocate(cs) + if (associated(cs) .neqv. .true.) stop 1 + + allocate(cs%v(2)) + if (associated(cs%v) .neqv. .true.) stop 2 + + allocate(e(2,2)) + e = 42 + + if (query_ptr(e, cs) .neqv. .true.) stop 3 + + contains + + logical function query_ptr(f_ptr, cs) + + real, target, intent(in) :: f_ptr(:,:) + type(test_cs), pointer, intent(inout) :: cs + + if (associated(cs)) then + if (associated(cs%v) .neqv. .true.) stop 4 + cs%v(2)%p => f_ptr + if (associated(cs%v(2)%p) .neqv. .true.) stop 5 + query_ptr = associated(cs%v(2)%p, f_ptr) + else + query_ptr = .false. + end if + end function query_ptr + +end program test