[Mono-devel-list] [PATCH] Field Layout Optimization

[Ben Maurer]

On Mon, 2004-03-15 at 14:40, Bernie Solomon wrote:
> If you are going to do this sort of relayout then it would be good to 
> implement the full behaviour which looking at the LayoutKind 
> documentation says for Auto:
> 
>     The runtime automatically chooses an appropriate layout for the 
>     members of an object in unmanaged memory. Objects defined 
>     with this enumeration member cannot be exposed outside of 
>     managed code. Attempting to do so generates an exception.
> 
> Note the last sentence. If you don't people will get all sorts
> of odd behaviour with pinvoke if there is no explicit exception
> (of course this could force the corlib problems for structs of
> POD data to get fixed too).

Actually, we already do some relayout (we move reference fields to the
top). However, this is a bug, and should probably be filed.