[Bug analyzer/108455] -Wanalyzer-deref-before-check false positive seen in git pack-revindex.c

[dmalcolm at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108455

--- Comment #5 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Note: the above patch caused the ICE in bug 114408.