`126db9`

Subject: IFERROR
Category: value
Formula: =IFERROR(IFERROR(1/0, 1/0), "both failed")
Canonical: both failed

Per-engine results

matches canonical diverges no fixture

Engine	Verdict	Value
gsheets	match	both failed
excel	match	both failed
lattice	match	both failed
ironcalc	match	both failed
hyperformula	match	both failed
libreoffice	match	both failed
formulas	match	both failed
pycel	match	both failed