gcc/testsuite/gfortran.dg/mapping_2.f90

   1 ! { dg-do run }
   2 ! Tests the fix for PR33998, in which the chain of expressions
   3 ! determining the character length of my_string were not being
   4 ! resolved by the formal to actual mapping.
   5 !
   6 ! Contributed by Tobias Burnus <burnus@gcc.gnu.org>
   7 !
   8 module test
   9    implicit none
  10    contains
  11       function my_string(x)
  12          integer i
  13          real, intent(in) :: x(:)
  14          character(0) h4(1:minval([(i,i=30,32), 15]))
  15          character(0) sv1(size(x,1):size(h4))
  16          character(0) sv2(2*lbound(sv1,1):size(h4))
  17          character(lbound(sv2,1)-3) my_string
  18
  19          do i = 1, len(my_string)
  20             my_string(i:i) = achar(modulo(i-1,10)+iachar('0'))
  21          end do
  22       end function my_string
  23 end module test
  24
  25 program len_test
  26    use test
  27    implicit none
  28    real x(7)
  29
  30    if (my_string(x) .ne. "01234567890") STOP 1
  31 end program len_test