[clang] [Clang] Copy initialization of an object of the same type should not consider user-defined conversions (PR #185936)

[Corentin Jabot via cfe-commits]

cor3ntin wrote:

> LGTM, the only question I have is whether `RequireActualConstructor` being true is common enough that it's worth short circuiting the check

Yup, any time you use a base constructor for example

https://github.com/llvm/llvm-project/pull/185936