gcc/testsuite/gfortran.dg/interface_4.f90

   1 ! { dg-do run }
   2 ! Tests the fix for the interface bit of PR29975, in which the
   3 ! interfaces bl_copy were rejected as ambiguous, even though
   4 ! they import different specific interfaces.
   5 !
   6 ! Contributed by Joost VandeVondele <jv244@cam.ac.uk> and
   7 ! simplified by Tobias Burnus <burnus@gcc.gnu.org>
   8 !
   9 SUBROUTINE RECOPY(N, c)
  10   real, INTENT(IN) :: N
  11   character(6) :: c
  12   c = "recopy"
  13 END SUBROUTINE RECOPY
  14
  15 MODULE f77_blas_extra
  16 PUBLIC :: BL_COPY
  17 INTERFACE BL_COPY
  18   MODULE PROCEDURE SDCOPY
  19 END INTERFACE BL_COPY
  20 CONTAINS
  21    SUBROUTINE SDCOPY(N, c)
  22     INTEGER, INTENT(IN) :: N
  23     character(6) :: c
  24     c = "sdcopy"
  25    END SUBROUTINE SDCOPY
  26 END MODULE f77_blas_extra
  27
  28 MODULE f77_blas_generic
  29 INTERFACE BL_COPY
  30    SUBROUTINE RECOPY(N, c)
  31     real, INTENT(IN) :: N
  32     character(6) :: c
  33    END SUBROUTINE RECOPY
  34 END INTERFACE BL_COPY
  35 END MODULE f77_blas_generic
  36
  37 program main
  38   USE f77_blas_extra
  39   USE f77_blas_generic
  40   character(6) :: chr
  41   call bl_copy(1, chr)
  42   if (chr /= "sdcopy") STOP 1
  43   call bl_copy(1.0, chr)
  44   if (chr /= "recopy") STOP 2
  45 end program main