llvm-project/flang/test/Semantics/call24.f90

27 lines
893 B
Fortran

! RUN: %python %S/test_errors.py %s %flang_fc1
! 15.4.2.2. Test that errors are reported when an explicit interface
! is not provided for an external procedure that requires an explicit
! interface (the definition needs to be visible so that the compiler
! can detect the violation).
subroutine foo(a_pointer)
real, pointer :: a_pointer(:)
end subroutine
subroutine test()
real, pointer :: a_pointer(:)
real, pointer :: an_array(:)
! This call would be allowed if the interface was explicit here,
! but its handling with an implicit interface is different (no
! descriptor involved, copy-in/copy-out...)
!ERROR: References to the procedure 'foo' require an explicit interface
call foo(a_pointer)
! This call would be error if the interface was explicit here.
!ERROR: References to the procedure 'foo' require an explicit interface
call foo(an_array)
end subroutine