gcc/testsuite/gfortran.dg/trim_optimize_6.f90

   1 ! { dg-do run }
   2 ! PR 47065 - make sure that impure functions are not evaluated twice when
   3 ! replacing calls to trim with expression(1:len_trim)
   4 module foo
   5   implicit none
   6 contains
   7   function f()
   8     integer :: f
   9     integer :: s=0
  10     s = s + 1
  11     f = s
  12   end function f
  13 end module foo
  14
  15 program main
  16   use foo
  17   implicit none
  18   character(len=10) :: line
  19   character(len=4) :: b(2)
  20   b(1) = 'a'
  21   b(2) = 'bc'
  22   write(unit=line,fmt='(A,A)') trim(b(f())), "X"
  23   if (line /= "aX          ") call abort
  24   if (f() .ne. 2) call abort
  25 end program main