chain of exceptions, next method

[Andrej Mitrovic]

On Sunday, 14 August 2022 at 02:30:43 UTC, Paul Backus wrote:
> On Sunday, 14 August 2022 at 02:07:05 UTC, Ali Çehreli wrote:
>>
>> This automatic "combining" of exceptions happens for cleanup 
>> code like scope(exit). (I remember bug(s) for scope(failure).):
>
> To be precise, an exception thrown inside a 'finally' block 
> gets chained onto the previous exception, but an exception 
> thrown inside a 'catch' block does not. scope(exit) and 
> scope(failure) are just syntax sugar for 'finally' and 'catch', 
> respectively.

I wish the compiler would rewrite scope(failure) to use chained 
exceptions. Otherwise any exceptions thrown within scope(failure) 
can end up losing information about what was the original 
exception that was thrown.