https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109014

--- Comment #1 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
I believe the issue here is that:

* display_properties partially initializes the "found" buffer, writing a -1
terminator at the end of the initialized part at:

    fv[m] = -1;

* display_properties then calls format_list_item, which tries to find the
terminator with:

 for (count = 0; ff[count] >= 0; count++) {

* -fanalyzer isn't smart enough to know that a -1 terminator has been written,
and simulates iterating past the end of the initialized region

and this is currently masked by the "sprintf" call, which in the absence of a
known_function implementation is currently assumed to potentially write to fv.

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