[clang] [OpenMP] codegen support for masked combined construct masked taskloop simd (PR #121916)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-aarch64-sve-vls` running on `linaro-g3-01` while building `clang` at step 5 "cmake stage 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/143/builds/4710

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

```
Step 5 (cmake stage 1) failure: 'cmake -G ...' (failure)
...
  of CMake.

  The cmake-policies(7) manual explains that the OLD behaviors of all
  policies are deprecated and that a policy should be set to OLD only under
  specific short-term circumstances.  Projects should be ported to the NEW
  behavior and not rely on setting a policy to OLD.
Call Stack (most recent call first):
  CMakeLists.txt:8 (include)


command timed out: 1200 seconds without output running [b'cmake', b'-G', b'Ninja', b'../llvm/llvm', b'-DCMAKE_BUILD_TYPE=Release', b'-DLLVM_ENABLE_ASSERTIONS=True', b"-DLLVM_LIT_ARGS='-v'", b'-DCMAKE_INSTALL_PREFIX=../stage1.install', b"-DCMAKE_C_FLAGS='-mcpu=neoverse-512tvb'", b"-DCMAKE_CXX_FLAGS='-mcpu=neoverse-512tvb'", b'-DLLVM_ENABLE_LLD=True', b'-DMLIR_INCLUDE_INTEGRATION_TESTS=True', b'-DMLIR_RUN_ARM_SVE_TESTS=True', b'-DLLVM_ENABLE_PROJECTS=clang-tools-extra;lld;mlir;llvm;clang;flang', b'-DLLVM_ENABLE_RUNTIMES=compiler-rt'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=1200.237996

```

</details>

https://github.com/llvm/llvm-project/pull/121916