gcc/testsuite/gfortran.dg/trim_optimize_8.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-O -fdump-tree-original" }
   3 ! Check that trailing trims are also removed from assignment of
   4 ! expressions involving concatenations of strings .
   5 program main
   6   character(2) :: a,b
   7   character(8) :: d
   8   a = 'a '
   9   b = 'b '
  10   if (trim(a // trim(b)) /= 'a b ') STOP 1
  11   if (trim (trim(a) // trim(b)) /= 'ab ') STOP 2
  12 end
  13 ! { dg-final { scan-tree-dump-times "string_len_trim" 1 "original" } }