Is is a Bug or just me?

bauss jj_1337 at live.dk
Sat May 9 18:27:00 UTC 2020


On Friday, 8 May 2020 at 14:16:10 UTC, foerdi wrote:
> Hi d community,
>
> I got a strange behavior since dmd 2.090 (dmd 2.089 is the last 
> working version).
>
> See this reduced code: https://run.dlang.io/is/yoyHXC
>
> I would expect that foo() returns 2.
> My guess in foo is: The return value of val is saved locally as 
> a ref int and then the destructor of S is called (set the local 
> cache to 0). Now the ref value is dereferenced and returned.
>
> Now I am unsure if this is a bug or an undefined behavior that 
> I don't know.
> If this is a bug, then I don't know how to call it for the bug 
> tracker.
>
> I hope you can help me with this problem.
>
> PS: This is only tested on my Linux system and on run.dlang.io.
>
> - foerdi

Gets even weirder because this fixes it LOL???

int foo()
     out { }
do
{
     return bar.val;
}

What the??


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