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

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93388
Bug 93388 depends on bug 93511, which changed state.

Bug 93511 Summary: ICE in make_region_for_type analyzing zlib/gzwrite.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93511

           What    |Removed                     |Added
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             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |DUPLICATE