#dbugfix 18493

[Nicholas Wilson]

On Tuesday, 17 April 2018 at 00:08:07 UTC, Mike Franklin wrote:
> On Monday, 16 April 2018 at 13:40:55 UTC, jmh530 wrote:
>> On Monday, 16 April 2018 at 13:01:44 UTC, Radu wrote:
>>> A blocker for more advanced 'betterC' usage.
>>
>> https://issues.dlang.org/show_bug.cgi?id=18493
>
> From what I can gather this appears to be caused by a 
> `scope(failure)` statement 
> (https://dlang.org/spec/statement.html#scope-guard-statement) 
> being added to the Postblit body (a.k.a. __fieldPostblit 
> internally in the compiler).  I'm assuming `scope(failure)` is 
> just syntactic sugar for a try-catch.
>
> I don't know how Walter wants to handle such a situation in 
> -betterC.  If I knew, I might be able to fix this bug.
>
> Mike

It should be a no-op under betterC because betterC implies 
nothrow.
It is odd though since

void foo (){}
extern(C) void main()
{
     scope(exit) foo();
}

compiles and runs with -betterC