Function pointers/delegates default args were stealth removed?

[Ali Çehreli]

On 08/27/2012 05:48 AM, Robert Clipsham wrote:

> I seem to recall I looked at this issue myself at one point. It goes
> something like:
> ----
> auto foo = (int a = 1) { return a; };
> auto bar = (int a) { return a; };
> ----
> int function(int) is mangled exactly the same as int function(int = 1)
> as default args aren't used for mangling. dmd does semantic analysis on
> the type of foo, which returns int function(int = 1), which is mangled
> as int function(int) and stored in dmd's hashmap of types (default args
> aren't mangled). When the semantic analysis of bar is done it checks the
> hashmap, sees that the type is already there (has the same name
> mangling) and does not repeat semantic analysis. If you switch the order
> of declarations then the opposite happens - the default arg is ignored.

I had opened a related bug recently:

   http://d.puremagic.com/issues/show_bug.cgi?id=8579

Ali