gcc/testsuite/gfortran.dg/bounds_check_strlen_7.f90

   1 ! { dg-do run }
   2 ! { dg-options "-fbounds-check" }
   3 ! { dg-shouldfail "Character length mismatch" }
   4
   5 ! PR fortran/37746
   6 ! Test bounds-checking for string length of dummy arguments.
   7
   8 MODULE m
   9 CONTAINS
  10
  11   SUBROUTINE test (opt)
  12     IMPLICIT NONE
  13     CHARACTER(len=5), OPTIONAL :: opt
  14   END SUBROUTINE test
  15
  16 END MODULE m
  17
  18 PROGRAM main
  19   USE m
  20   IMPLICIT NONE
  21   CALL test ('') ! 0 length, but not absent argument.
  22 END PROGRAM main
  23
  24 ! { dg-output "shorter than the declared one for dummy argument 'opt' \\(0/5\\)" }