[Bug analyzer/105961] -Wanalyzer-use-of-uninitialized-value false positive after "= {0}"

[eggert at cs dot ucla.edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105961

--- Comment #2 from eggert at cs dot ucla.edu ---
Created attachment 53131
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53131&action=edit
reproducer for the bug (compressed with xz)

The uncompressed t.i was too large for bugzilla, so here's the same file,
compressed with xz.