[Bug c++/85535] bogus code in decl2.c:decl_needed_p

[paolo.carlini at oracle dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85535

--- Comment #8 from Paolo Carlini <paolo.carlini at oracle dot com> ---
It seems that for the potentially interesting cases DECL_EXTERNAL is true but
DECL_REALLY_EXTERN is false.