[llvm] [NFC][YAML][IR] Output CfiFunction sorted (PR #130379)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-lld-multistage-test` running on `ppc64le-lld-multistage-test` while building `llvm` at step 13 "test-build-stage2-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/168/builds/9504

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

```
Step 13 (test-build-stage2-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM-Unit :: Support/./SupportTests/135/1394' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage2/unittests/Support/./SupportTests-LLVM-Unit-1205202-135-1394.json GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=1394 GTEST_SHARD_INDEX=135 /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage2/unittests/Support/./SupportTests
--

Script:
--
/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage2/unittests/Support/./SupportTests --gtest_filter=Caching.WriteAfterCommit
--
/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/unittests/Support/Caching.cpp:103: Failure
Value of: AddStream
  Actual: false
Expected: true


/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/unittests/Support/Caching.cpp:103
Value of: AddStream
  Actual: false
Expected: true



********************


```

</details>

https://github.com/llvm/llvm-project/pull/130379