[clang] [llvm] [SystemZ] Add support for __builtin_setjmp and __builtin_longjmp (PR #116642)

[Ulrich Weigand via cfe-commits]

uweigand wrote:

Hi @anoopkg6 , the tests are still failing in CI because this is hosted on an Intel machine, so when you run just with `llc`, it will attempt to build the test for Intel ...

To make sure the tests run correctly and always target s390x, you should use something along the following lines - see other tests in this directory for examples:

```
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
```


https://github.com/llvm/llvm-project/pull/116642