Compiler could elide many more postblit constructor calls

[TommiT]

On Sunday, 30 June 2013 at 07:27:06 UTC, TommiT wrote:
> [..]
>
> case 1:
> void foo(const S s)
> {
>     S m = cast(S) s;
>     s.values[0] = 42;
> }

A typo. It should be:

case 1:
void foo(const S s)
{
     S m = cast(S) s;
     m.values[0] = 42;
}

On Sunday, 30 June 2013 at 02:20:24 UTC, Diggory wrote:
>
> Unless the function is pure, this is only possible for [..]

I don't see what kind of a difference the pureness of foo would 
make in either of those two cases I wrote about in my previous 
post.