https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111263
--- Comment #6 from Michael Meissner <meissner at gcc dot gnu.org> --- On the PowerPC side, it may be related to PR target/118541 where the IEEE comparison operators (isgreater, etc.) can generate conditional moves that involve instructions which will raise an error if one of the operands is a signaling NaN, when generating code for power9/power10.
