[Bug c++/78244] Narrowing conversion is accepted in a function template, but it should be rejected

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78244

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Another simple test:

template<typename>
decltype(int{1.1}) v;