condy added a comment.

In D102592#2764357 <https://reviews.llvm.org/D102592#2764357>, @eugenis wrote:

> You are adding a new global to every translation unit.
>
> - Private linkage would not allow them to be merged, this can have 
> significant binary size and RAM overhead.

Do you suggest linkonce linkage?

> - There is no guarantee that any of these globals will end up to the left of 
> any sanitized globals. With -fdata-sections, the linker is free to reorder.
> - It is also not referenced from anything, so -gc-sections is likely to kill 
> it.
>
> It looks like this will only work in very limited circumstances.

Since it's limited, perhaps making it opt-in is a better choice.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102592/new/

https://reviews.llvm.org/D102592

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