[Bug c++/102157] floating-integral conversions is not permitted in the user-defined conversion sequence in converted constant expression

[xmh970252187 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102157

--- Comment #2 from jim x <xmh970252187 at gmail dot com> ---
bind the temporary is permitted here to me. Since the template parameter is not
a reference type, there is no restriction on whether a temporary object is
generated in the implicit conversion.