Either I'm confused or the gc is

Ola Fosheim Grøstad ola.fosheim.grostad at gmail.com
Mon Nov 16 21:54:31 UTC 2020

On Monday, 16 November 2020 at 21:25:03 UTC, Steven Schveighoffer 
> I can imagine a situation where it removes the item from the 
> stack to put it somewhere else (e.g. global memory or on the C 
> heap) *temporarily*, and by the time the function exits, the 
> pointer is no longer in use in C-land. Thus, the function 
> doesn't "save the pointer".
> This kind of problem would still be susceptible to the GC 
> collecting it (via another thread), and so I would recommend 
> still storing locally in the calling function a copy of the 
> pointer.

How do you express that? LLVM can remove unused pointers? There 
are intrinsics to combat that, but is there something portable in 

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