[llvm] [InferAttrs] Mark errnomem-setting libcalls as such (PR #124742)

[Nikita Popov via llvm-commits]

https://github.com/nikic commented:

> Restricted libc functions back to errnomem only; this can be relieved further if needed.

It looks like you still have lots of functions that access locale (like strtol, strxfrm) listed as "argmem or errnomem only"?

https://github.com/llvm/llvm-project/pull/124742