57 lines
1.4 KiB
Fortran
57 lines
1.4 KiB
Fortran
! { dg-do compile }
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! Tests the fix for the interface bit of PR29975, in which the
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! interfaces bl_copy were rejected as ambiguous, even though
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! they import different specific interfaces. In this testcase,
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! it is verified that ambiguous specific interfaces are caught.
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!
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! Contributed by Joost VandeVondele <jv244@cam.ac.uk> and
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! simplified by Tobias Burnus <burnus@gcc.gnu.org>
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!
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SUBROUTINE RECOPY(N, c)
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real, INTENT(IN) :: N
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character(6) :: c
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print *, n
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c = "recopy"
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END SUBROUTINE RECOPY
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MODULE f77_blas_extra
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PUBLIC :: BL_COPY
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INTERFACE BL_COPY
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MODULE PROCEDURE SDCOPY
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END INTERFACE BL_COPY
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CONTAINS
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SUBROUTINE SDCOPY(N, c)
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REAL, INTENT(IN) :: N
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character(6) :: c
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print *, n
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c = "sdcopy"
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END SUBROUTINE SDCOPY
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END MODULE f77_blas_extra
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MODULE f77_blas_generic
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INTERFACE BL_COPY
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SUBROUTINE RECOPY(N, c)
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real, INTENT(IN) :: N
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character(6) :: c
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END SUBROUTINE RECOPY
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END INTERFACE BL_COPY
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END MODULE f77_blas_generic
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subroutine i_am_ok
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USE f77_blas_extra ! { dg-warning "ambiguous interfaces" }
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USE f77_blas_generic
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character(6) :: chr
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chr = ""
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if (chr /= "recopy") call abort ()
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end subroutine i_am_ok
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program main
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USE f77_blas_extra ! { dg-error "Ambiguous interfaces" }
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USE f77_blas_generic
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character(6) :: chr
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chr = ""
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call bl_copy(1.0, chr)
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if (chr /= "recopy") call abort ()
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end program main
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! { dg-final { cleanup-modules "f77_blas_generic f77_blas_extra" } }
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