bd1976bris wrote:

Thanks for the responses.

> The meaning that we want to make clear is that this toggles the special 
> behavior of forcing the visibility of these symbols despite all the other 
> mechanisms that usually control visibility for all other symbols.

Agreed. I'm in favour of your suggestion of 
`-f[no-]forced-global-new-delete-visibility`. Including "forced" in the option 
name makes it clear that something unusual is going on here and hints that this 
is going to take precedence over other sources of visibility. I did consider 
that it might be better to rearrange your suggested option name a bit to 
`-f[no-]visibility-global-new-delete-forced` to group with other visibility 
options that start with `-fvisibility`, but 
`-f[no-]forced-global-new-delete-visibility` is much clearer.  @petrhosek I did 
consider `-f[no-]visibility-attribute-global-new-delete` but that naming is 
possibly tied a bit too strongly to the current implementation in the complier 
- so I think I like the `forced` suggestion better?

>  (The `=...` variant of the positive form would permit forcing to a different 
> visibility than `default`, though I'm not sure there's a real need for that 
> capability since in `-fno-forced-...` state the usual pragmas et al can 
> arrange for that.)

Indeed and the use of the usual pragmas etc is preferable, IMO, as users are 
already familiar with those - as opposed to the effects of an unusual/niche 
option.

https://github.com/llvm/llvm-project/pull/75364
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