gcc/testsuite/gfortran.dg/ambiguous_specific_1.f90

   1 ! { dg-do compile }
   2 ! Checks the fix for PR33542, in which the ambiguity in the specific
   3 ! interfaces of foo was missed.
   4 !
   5 ! Contributed by Tobias Burnus <burnus@gcc.gnu.org>
   6 !
   7 MODULE M1
   8    INTERFACE FOO
   9      MODULE PROCEDURE FOO
  10    END INTERFACE
  11 CONTAINS
  12    SUBROUTINE FOO(I)
  13      INTEGER, INTENT(IN) :: I
  14      WRITE(*,*) 'INTEGER'
  15    END SUBROUTINE FOO
  16 END MODULE M1
  17
  18 MODULE M2
  19    INTERFACE FOO
  20      MODULE PROCEDURE FOO
  21    END INTERFACE
  22 CONTAINS
  23    SUBROUTINE FOO(R)
  24      REAL, INTENT(IN) :: R
  25      WRITE(*,*) 'REAL'
  26    END SUBROUTINE FOO
  27 END MODULE M2
  28
  29 PROGRAM P
  30    USE M1
  31    USE M2
  32    implicit none
  33    external bar
  34    CALL FOO(10)
  35    CALL FOO(10.)
  36    call bar (foo)  ! { dg-error "is ambiguous" }
  37 END PROGRAM P