gcc/testsuite/gfortran.dg/func_decl_1.f90

   1 ! { dg-do compile }
   2 ! we didn't correctly reject function declarations without argument lists
   3 ! note that there are no end statements for syntactically wrong function
   4 ! declarations
   5   interface
   6      function f1     ! { dg-error "Expected formal argument list" }
   7      function f3()
   8      end function f3
   9      function f4 result (x) ! { dg-error "Expected formal argument list" }
  10      function f5() result (x)
  11      end function f5
  12    end interface
  13   f1 = 1.
  14 end
  15
  16 FUNCTION f1          ! { dg-error "Expected formal argument list" }
  17
  18 function f2()
  19   f2 = 1.
  20 end function f2
  21
  22 function f3 result (x) ! { dg-error "Expected formal argument list" }
  23
  24 function f4 () result (x)
  25   x = 4.
  26 end function f4