Proposal 2: Exceptions and @nogc

[Nicholas Wilson via Digitalmars-d]

On Sunday, 9 April 2017 at 03:26:14 UTC, Walter Bright wrote:
> My previous version did not survive implementation. Here's the 
> revised version. I have submitted it as a DIP, and there's a 
> trial implementation up:
>
>     https://github.com/dlang/dmd/pull/6681
>
> [ . . . ]

Pardon my ignorance but it does not seem to be clear how 
preallocated exceptions would work. What about exceptions 
allocated ultimately by the GC but actually via an intermediate 
allocator (e.g. FallBack)?