C++ Insights - Episode 1: The invisible things - Invalid ImplicitCast

[andreasfertig]

In C++ Insights - Episode 1: The invisible things there is an example:

struct A {};
struct B {
   explicit operator A() { return {}; }
};

void DangerousFunc(const A&) {}

int main()
{
  DangerousFunc(static_cast<A>(B{}));
}

The transformation that C++ Insights shows leads to:

DangerousFunc(static_cast<A>(static_cast<A>(B{}.operator A())));

which is incorrect. The first static_cast<A> is missing const.

It was initially reported by @peterkochlarsen and @DanielKhoshnoud.