[Bug c++/94764] block extern incorrectly resolved to external linkage

[tabloid.adroit at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94764

--- Comment #2 from tabloid.adroit at gmail dot com ---
Do you think it is still UB at this moment? If not, I guess PR14769 could be
worked on?