[Bug fortran/85542] [6/7/8/9 Regression] ICE in check_inquiry, at fortran/expr.c:2426

[kargl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85542

--- Comment #2 from kargl at gcc dot gnu.org ---
(In reply to G. Steinmetz from comment #0)
> gfortran-8 changed between 20180304 and 20180311.
> gfortran-7 changed between 20180215 and 20180308.
> gfortran-6 changed between 20180307 and 20180314.
> 
> 
> $ cat z1.f90
> function f(x)
>    character(*), intent(in) :: x
>    character((len((x)))) :: f
>    f = x
> end
> 

Workaround: remove superfluous parentheses.