[Bug c++/88419] [9 Regression] [ICE] "Same canonical type node for different types" for CTAD in noexcept

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88419

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
They do with checking enabled: try -fchecking=1.