gcc/testsuite/gfortran.dg/character_comparison_6.f90

   1 ! { dg-do run }
   2 ! { dg-options "-O -fdump-tree-original" }
   3 program main
   4   implicit none
   5   character(len=4) :: c
   6   integer :: n
   7   integer :: i
   8   common /foo/ i
   9
  10   n = 0
  11   i = 0
  12   c = 'abcd'
  13   if ('a ' // c == 'a' // c) call abort
  14   if ('a' // c == 'a ' // c) call abort
  15 end program main
  16
  17 ! { dg-final { scan-tree-dump-times "gfortran_concat_string" 4 "original" } }
  18 ! { dg-final { scan-tree-dump-times "gfortran_compare_string" 2 "original" } }
  19