gcc/testsuite/gfortran.dg/do_check_6.f90

   1 ! { dg-do compile }
   2 !
   3 ! PR fortran/54958
   4 !
   5 module m
   6   integer, protected :: i
   7   integer :: j
   8 end module m
   9
  10 subroutine test1()
  11   use m
  12   implicit none
  13   integer :: A(5)
  14   ! Valid: data-implied-do (has a scope of the statement or construct)
  15   DATA (A(i), i=1,5)/5*42/ ! OK
  16
  17   ! Valid: ac-implied-do (has a scope of the statement or construct)
  18   print *, [(i, i=1,5 )] ! OK
  19
  20   ! Valid: index-name (has a scope of the statement or construct)
  21   forall (i = 1:5) ! OK
  22   end forall
  23
  24   ! Valid: index-name (has a scope of the statement or construct)
  25   do concurrent (i = 1:5) ! OK
  26   end do
  27
  28   ! Invalid: io-implied-do
  29   print *, (i, i=1,5 ) ! { dg-error "PROTECTED and cannot appear in a variable definition context .iterator variable." }
  30
  31   ! Invalid: do-variable in a do-stmt
  32   do i = 1, 5 ! { dg-error "PROTECTED and cannot appear in a variable definition context .iterator variable." }
  33   end do
  34 end subroutine test1
  35
  36 subroutine test2(i)
  37   implicit none
  38   integer, intent(in) :: i
  39   integer :: A(5)
  40   ! Valid: data-implied-do (has a scope of the statement or construct)
  41   DATA (A(i), i=1,5)/5*42/ ! OK
  42
  43   ! Valid: ac-implied-do (has a scope of the statement or construct)
  44   print *, [(i, i=1,5 )] ! OK
  45
  46   ! Valid: index-name (has a scope of the statement or construct)
  47   forall (i = 1:5) ! OK
  48   end forall
  49
  50   ! Valid: index-name (has a scope of the statement or construct)
  51   do concurrent (i = 1:5) ! OK
  52   end do
  53
  54   ! Invalid: io-implied-do
  55   print *, (i, i=1,5 ) ! { dg-error "INTENT.IN. in variable definition context .iterator variable." }
  56
  57   ! Invalid: do-variable in a do-stmt
  58   do i = 1, 5 ! { dg-error "INTENT.IN. in variable definition context .iterator variable." }
  59   end do
  60 end subroutine test2
  61
  62 pure subroutine test3()
  63   use m
  64   implicit none
  65   integer :: A(5)
  66   !DATA (A(j), j=1,5)/5*42/ ! Not allowed in pure
  67
  68   ! Valid: ac-implied-do (has a scope of the statement or construct)
  69   A = [(j, j=1,5 )] ! OK
  70
  71   ! Valid: index-name (has a scope of the statement or construct)
  72   forall (j = 1:5) ! OK
  73   end forall
  74
  75   ! Valid: index-name (has a scope of the statement or construct)
  76   do concurrent (j = 1:5) ! OK
  77   end do
  78
  79   ! print *, (j, j=1,5 ) ! I/O not allowed in PURE
  80
  81   ! Invalid: do-variable in a do-stmt
  82   do j = 1, 5 ! { dg-error "variable definition context .iterator variable. at .1. in PURE procedure" }
  83   end do
  84 end subroutine test3