+
−! { dg-do compile }
+
−!
+
−! This tests the fix for PR36325, which corrected for the fact that a
+
−! specific or generic INTERFACE statement implies the EXTERNAL attibute.
+
−!
+
−! Contributed by Janus Weil <janus@gcc.gnu.org>
+
−
+
−module a
+
−  interface
+
−    subroutine foo
+
−    end subroutine
+
−  end interface
+
−  external foo  ! { dg-error "Duplicate EXTERNAL attribute" }
+
−end module
+
−
+
−module b
+
−  interface
+
−    function sin (x)
+
−      real :: sin, x
+
−    end function
+
−  end interface
+
−  intrinsic sin  ! { dg-error "EXTERNAL attribute conflicts with INTRINSIC attribute" }
+
−end module
+
−
+
−! argument checking was not done for external procedures with explicit interface
+
−program c
+
−  interface
+
−    subroutine bar(x)
+
−      real :: x
+
−    end subroutine
+
−  end interface
+
−  call bar()  ! { dg-error "Missing actual argument" }
+
−end program