[Bug analyzer/93388] ensure -fanalyzer works with our C code

[asolokha at gmx dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93388

--- Comment #17 from Arseny Solokha <asolokha at gmx dot com> ---
(In reply to David Binderman from comment #16)
> I had another look at this and considerable progress has been made.
> Only six ices left for the C code in the test suite. These are

After the recent analyzer overhaul it's probably time to update this list once
again. Maybe trying each optimization level in turn besides -O2 might also make
sense.