[libc-commits] [libc] [libc][math] Implement issignaling macro. (PR #109615)

[LLVM Continuous Integration via libc-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `libc-arm32-debian-dbg` running on `libc-arm32-debian` while building `libc` at step 3 "checkout".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/182/builds/3748

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 3 (checkout) failure: update (failure)
git version 2.39.2
remote: git: 'lariat' is not a git command. See 'git --help'.        
remote: aborting due to possible repository corruption on the remote side.
fatal: protocol error: bad pack header
remote: git: 'lariat' is not a git command. See 'git --help'.        
remote: aborting due to possible repository corruption on the remote side.
fatal: protocol error: bad pack header

```

</details>

https://github.com/llvm/llvm-project/pull/109615