// Verifies that MIR building for a call expression respects // privacy when checking if a call return type is uninhabited. pub mod widget { enum Unimplemented {} pub struct Widget(Unimplemented); impl Widget { pub fn new() -> Widget { todo!(); } } pub fn f() { let x: &mut u32; Widget::new(); // Ok. Widget type returned from new is known to be uninhabited // and the following code is considered unreachable. *x = 1; } } fn main() { let y: &mut u32; widget::Widget::new(); // Error. Widget type is not known to be uninhabited here, // so the following code is considered reachable. *y = 2; //~ ERROR E0381 }