[Bug c++/63431] implicit conversion changes value but no warning ?

[manu at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63431

--- Comment #4 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
(In reply to David Binderman from comment #3)
> I'd be happier with a much smaller warning that only
> ever warned for floats and double literals being put into
> integral types, as per clang.

See the patch attached in PR55077. As always, someone has to spend their time
to submit it and get it reviewed. We need (many) more contributors to gcc,
specially the front-ends.