Struct with default ctor (Was: [dmd-beta] dmd 2.064 beta take 2)

[Andrei Alexandrescu]

On 5/19/13 5:56 PM, deadalnix wrote:
> On Sunday, 19 May 2013 at 21:02:57 UTC, Walter Bright wrote:
>> On 5/19/2013 11:22 AM, deadalnix wrote:
>>> The damn thing should have been initialized in the
>>> first place to avoid the bug.
>>
>> Sounds like you have the double-checked locking bug. Using a different
>> value to initialize it won't fix it.
>>
>
> No it sound like initalizing something to null, then initialize it
> properly, assume all over the place that it is initialized to something
> else, and in some rare code path it blows up.
>
> The fact that this occurs in a multithreaded environment made it super
> hard to debug, but the whole thing was properly synchronized.

How was there a bug if everything was properly synchronized? You either 
describe the matter with sufficient detail, or acknowledge the 
destruction of your anecdote. This is going nowhere.

Andrei