[clang] [clang-format] Fix bugs in annotating arrows and square brackets (PR #160973)

[LLVM Continuous Integration via cfe-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 `clang` at step 12 "build-stage2-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/168/builds/16379

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

```
Step 12 (build-stage2-unified-tree) failure: build (failure) (timed out)
...
703.037 [57/9/6648] Linking CXX executable bin/llvm-reduce
703.127 [57/8/6649] Linking CXX executable bin/llvm-gsymutil
703.160 [57/7/6650] Linking CXX executable bin/llvm-lto
703.191 [57/6/6651] Linking CXX shared library lib/libLTO.so.22.0git
703.235 [56/6/6652] Creating library symlink lib/libLTO.so
703.406 [56/5/6653] Linking CXX executable bin/llvm-dwp
703.436 [56/4/6654] Linking CXX executable unittests/CodeGen/CodeGenTests
703.464 [56/3/6655] Linking CXX executable unittests/MIR/MIRTests
708.004 [56/2/6656] Building CXX object tools/bugpoint-passes/CMakeFiles/BugpointPasses.dir/TestPasses.cpp.o
708.220 [55/2/6657] Linking CXX shared module lib/BugpointPasses.so
command timed out: 1200 seconds without output running [b'ninja'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=1908.674157

```

</details>

https://github.com/llvm/llvm-project/pull/160973