[clang-tools-extra] [clang-tidy] add readability-redundant-parentheses (PR #159911)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-ppc64le-linux-test-suite` running on `ppc64le-clang-test-suite` while building `clang-tools-extra` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/95/builds/18428

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

```
Step 6 (test-build-unified-tree-check-all) failure: 1200 seconds without output running [b'ninja', b'check-all'], attempting to kill
...
PASS: LLVM :: MC/Mips/elf_eflags.s (102078 of 102088)
PASS: LLVM :: tools/llvm-objcopy/ELF/cross-arch-headers.test (102079 of 102088)
PASS: LLVM :: tools/llvm-readobj/ELF/mips-abiflags.test (102080 of 102088)
PASS: LLVM :: Object/macho-invalid.test (102081 of 102088)
PASS: LLVM :: tools/llvm-readobj/ELF/note-core.test (102082 of 102088)
PASS: LLVM :: Object/AMDGPU/elf-header-flags-mach.yaml (102083 of 102088)
PASS: LLVM :: tools/llvm-objdump/ELF/AMDGPU/subtarget.ll (102084 of 102088)
PASS: lit :: shtest-define.py (102085 of 102088)
PASS: LLVM :: CodeGen/ARM/build-attributes.ll (102086 of 102088)
PASS: LLVM :: tools/llvm-readobj/ELF/AMDGPU/elf-headers.test (102087 of 102088)
command timed out: 1200 seconds without output running [b'ninja', b'check-all'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=4697.422210
Step 7 (test-build-unified-tree-check-runtimes) failure: test (failure)
******************** TEST 'SanitizerCommon-asan-powerpc64le-Linux :: Linux/getpwnam_r_invalid_user.cpp' FAILED ********************
Exit Code: 134

Command Output (stderr):
--
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/./bin/clang  --driver-mode=g++ -gline-tables-only -fsanitize=address  -m64 -fno-function-sections -funwind-tables  -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/compiler-rt/test -ldl -O0 -g /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/compiler-rt/test/sanitizer_common/TestCases/Linux/getpwnam_r_invalid_user.cpp -o /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/asan-powerpc64le-Linux/Linux/Output/getpwnam_r_invalid_user.cpp.tmp &&  /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/asan-powerpc64le-Linux/Linux/Output/getpwnam_r_invalid_user.cpp.tmp # RUN: at line 2
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/./bin/clang --driver-mode=g++ -gline-tables-only -fsanitize=address -m64 -fno-function-sections -funwind-tables -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/compiler-rt/test -ldl -O0 -g /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/compiler-rt/test/sanitizer_common/TestCases/Linux/getpwnam_r_invalid_user.cpp -o /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/asan-powerpc64le-Linux/Linux/Output/getpwnam_r_invalid_user.cpp.tmp
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/asan-powerpc64le-Linux/Linux/Output/getpwnam_r_invalid_user.cpp.tmp
getpwnam_r_invalid_user.cpp.tmp: /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/compiler-rt/test/sanitizer_common/TestCases/Linux/getpwnam_r_invalid_user.cpp:17: int main(): Assertion `res == 0 || res == ENOENT' failed.
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/asan-powerpc64le-Linux/Linux/Output/getpwnam_r_invalid_user.cpp.script: line 1: 4090512 Aborted                 /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/asan-powerpc64le-Linux/Linux/Output/getpwnam_r_invalid_user.cpp.tmp

--

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


```

</details>

https://github.com/llvm/llvm-project/pull/159911