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! { dg-do compile }
! One of the tests of the patch for PR30068.
! Taken from the fortran 2003 standard C11.2.
!
! The interface is invalid although it is unambiguous because the
! standard explicitly does not require recursion into the formal
! arguments of procedures that themselves are interface arguments.
!
module xx
INTERFACE BAD9
SUBROUTINE S9A(X)
REAL :: X
END SUBROUTINE S9A
SUBROUTINE S9B(X)
INTERFACE
FUNCTION X(A)
REAL :: X,A
END FUNCTION X
END INTERFACE
END SUBROUTINE S9B
SUBROUTINE S9C(X)
INTERFACE
FUNCTION X(A)
REAL :: X
INTEGER :: A
END FUNCTION X
END INTERFACE
END SUBROUTINE S9C ! { dg-error "Ambiguous interfaces" }
END INTERFACE BAD9
end module xx
! { dg-final { cleanup-modules "xx" } }
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