https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122851
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
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Last reconfirmed| |2025-11-26
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Known to fail| |11.1.0, 12.5.0
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
GCC 10.5 rejected the code but not because of Ambiguous reasons but rather
could not convert {} to A (or B). I would not consider this a regression to
that respect then because it would have rejected valid code there too.