[clang] [Clang][OpenMP] Fixed an assertion on omp taskloop transparent (PR #200663)

[via cfe-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results

* 54079 tests passed
* 1274 tests skipped
* 1 test failed

## Failed Tests
(click on a test name to see its output)

### Clang
<details>
<summary>Clang.SemaOpenMP/gh197162.c</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
c:\_work\llvm-project\llvm-project\build\bin\clang.exe -cc1 -internal-isystem C:\_work\llvm-project\llvm-project\build\lib\clang\23\include -nostdsysteminc -fopenmp -fsyntax-only C:\_work\llvm-project\llvm-project\clang\test\SemaOpenMP\gh197162.c
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\clang.exe' -cc1 -internal-isystem 'C:\_work\llvm-project\llvm-project\build\lib\clang\23\include' -nostdsysteminc -fopenmp -fsyntax-only 'C:\_work\llvm-project\llvm-project\clang\test\SemaOpenMP\gh197162.c'
# .---command stderr------------
# | C:\_work\llvm-project\llvm-project\clang\test\SemaOpenMP\gh197162.c:4:22: error: unexpected OpenMP clause 'transparent' in directive '#pragma omp taskloop'
# |     4 | #pragma omp taskloop transparent // expected-error {{unexpected OpenMP clause 'transparent' in directive '#pragma omp taskloop'}}
# |       |                      ^
# | 1 error generated.
# `-----------------------------
# error: command failed with exit status: 1

--

```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/200663