[Bug analyzer/97568] -fanalyzer assumes that an extern const pointer is NULL

[vincent-gcc at vinc17 dot net via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97568

--- Comment #1 from Vincent Lefèvre <vincent-gcc at vinc17 dot net> ---
The bug has been introduced by commit af66094d037793773eb8a49597866457f2f6a104.