[libc-commits] [libc] [libc][arm] implement setjmp/longjmp (PR #93220)

[Nick Desaulniers via libc-commits]

nickdesaulniers wrote:

> not necessarily correct or sufficient for any given operating system.

Yes, these definitely can get way more complex.  Perhaps I should retitle the PR to "implement _simple_ setjmp/longjmp".

https://github.com/llvm/llvm-project/pull/93220