gcc-4_9/gcc/testsuite/gfortran.dg/intrinsic_3.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-std=f95" }
   3 !
   4 ! PR 39876: module procedure name that collides with the GNU intrinsic
   5 !
   6 ! Contributed by Alexei Matveev <alexei.matveev+gcc@gmail.com>
   7
   8 module p
   9   implicit none
  10
  11   contains
  12
  13     subroutine test()
  14       implicit none
  15       print *, avg(erfc)
  16     end subroutine test
  17
  18     function avg(f)
  19       implicit none
  20       double precision :: avg
  21       interface
  22         double precision function f(x)
  23           implicit none
  24           double precision, intent(in) :: x
  25         end function f
  26       end interface
  27       avg = ( f(1.0D0) + f(2.0D0) ) / 2
  28     end function avg
  29
  30     function erfc(x)
  31       implicit none
  32       double precision, intent(in) :: x
  33       double precision             :: erfc
  34       erfc = x
  35     end function erfc
  36
  37 end module p