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

[John Colvin]

On Sunday, 19 May 2013 at 20:45:39 UTC, Walter Bright wrote:
> On 5/19/2013 1:03 PM, Maxim Fomin wrote:
>> I think there is difference between catching exception and 
>> saving
>> data which you have typed for some period and letting harware
>> "check" the exception for you meanwile loosing your work.
>
> You can catch seg faults. It's easier on Windows, but it's 
> doable on Linux.

What's the rational for not doing this by default in D? Wouldn't 
a MemoryAccessError or similar be better than crashing out with 
SIGSEGV ? I have no idea about the consequences of this (other 
than tempting people to catch a segfault when they shouldn't, 
which is pretty much always).