gcc/testsuite/gfortran.dg/interface_9.f90

   1 ! { dg-do compile }
   2 ! Test of the patch for PR30096, in which gfortran incorrectly.
   3 ! compared local with host associated interfaces.
   4 !
   5 ! Based on contribution by Harald Anlauf <anlauf@gmx.de>
   6 !
   7 module module1
   8   interface inverse
   9      module procedure A, B
  10   end interface
  11 contains
  12   function A (X) result (Y)
  13     real                        :: X, Y
  14     Y = 1.0
  15   end function A
  16   function B (X) result (Y)
  17     integer                     :: X, Y
  18     Y = 3
  19   end function B
  20 end module module1
  21
  22 module module2
  23   interface inverse
  24      module procedure C
  25   end interface
  26 contains
  27   function C (X) result (Y)
  28     real                        :: X, Y
  29     Y = 2.0
  30   end function C
  31 end module module2
  32
  33 program gfcbug48
  34   use module1, only : inverse
  35   call sub ()
  36   if (inverse(1.0_4) /= 1.0_4) STOP 1
  37   if (inverse(1_4) /= 3_4) STOP 2
  38 contains
  39   subroutine sub ()
  40     use module2, only : inverse
  41     if (inverse(1.0_4) /= 2.0_4) STOP 3
  42     if (inverse(1_4) /= 3_4) STOP 4
  43   end subroutine sub
  44 end program gfcbug48