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! { dg-do run }
! { dg-options "-fbounds-check" }
! { dg-shouldfail "Character length mismatch" }
! PR fortran/37746
! Test bounds-checking for string length of dummy arguments.
MODULE m
CONTAINS
SUBROUTINE test (opt)
IMPLICIT NONE
CHARACTER(len=5), OPTIONAL :: opt
END SUBROUTINE test
END MODULE m
PROGRAM main
USE m
IMPLICIT NONE
CALL test ('') ! 0 length, but not absent argument.
END PROGRAM main
! { dg-output "shorter than the declared one for dummy argument 'opt' \\(0/5\\)" }
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