gcc/testsuite/gfortran.dg/warn_target_lifetime_3.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-Wall" }
   3 !
   4 ! PR fortran/55476
   5 !
   6 ! Contribued by  Janus Weil
   7 !
   8 subroutine test
   9   integer, pointer :: p
  10   integer, target :: t
  11   p => t
  12 contains
  13   subroutine sub()               ! { dg-warning "defined but not used" }
  14     if (p /= 0) return
  15   end subroutine
  16 end subroutine
  17
  18 module m
  19   integer, pointer :: p2
  20 contains
  21   subroutine test
  22     integer, target :: t2
  23     p2 => t2 ! { dg-warning "Pointer at .1. in pointer assignment might outlive the pointer target" }
  24   contains
  25     subroutine sub()             ! { dg-warning "defined but not used" }
  26       if (p2 /= 0) return
  27     end subroutine
  28   end subroutine
  29 end module m