[Bug fortran/86408] [9 Regression] bogus error: ABSTRACT INTERFACE must not have an assumed character length result (F2003: C418)

[janus at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86408

--- Comment #3 from janus at gcc dot gnu.org ---
(In reply to janus from comment #0)
> Moreover the error message does not really match the quoted standard clause
> F03:C418, which says:
> 
> "A function name declared with an asterisk type-param-value shall not be an
> array, a pointer, recursive, or pure."
> 
> 1) This does not talk about abstract interfaces at all, but functions in
> general.
> 2) The function in the examples has no asterisk type-param-value.
> 3) The function in the example is neither an array, pointer, recursive or
> pure.

I would say that F03:C417 is more relevant in the context of the check that is
being done there:

C417 A function name shall not be declared with an asterisk type-param-value
unless it is of type CHARACTER and is the name of the result of an external
function or the name of a dummy function.