[libc-commits] [libc] [libc][WIP] try to make sysconf work (PR #74166)

[Schrodinger ZHU Yifan via libc-commits]

SchrodingerZhu wrote:

@nickdesaulniers I have no objections. Though I was confused by the wrong `sysconf`, but I was also wrong to use `EXEC_PAGESIZE` in subsequent patches. That series looks like an ugly series of amendments to make things just work. So sorry about that. 😭 

https://github.com/llvm/llvm-project/pull/74166