Re: [PATCH v2 04/12] rust: init: wrap type checking struct initializers in a closure

[Alice Ryhl]

> In the implementation of the init macros there is a `if false` statement
> that type checks the initializer to ensure every field is initialized.
> Since the next patch has a stack variable to store the struct, the
> function might allocate too much memory on debug builds. Putting the
> struct into a closure that is never executed ensures that even in debug
> builds no stack overflow error is caused. In release builds this was not
> a problem since the code was optimized away due to the `if false`.
> 
> Signed-off-by: Benno Lossin <benno.lossin@xxxxxxxxx>
 
Reviewed-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>