[llvm] [mlir] [flang] [clang-tools-extra] [libcxx] [openmp] [lldb] [compiler-rt] [libc] [clang] [lld] fix issue 73559. (PR #74926)

[Antonio Frighetto via cfe-commits]

antoniofrighetto wrote:

Could you kindly squash everything into one commit and provide a meaningful git commit title and git message description? For example:
```
[clang][Parse] `TryAnnotateCXXScopeToken` to be called only when parsing C++

Assume `TryAnnotateCXXScopeToken` to be parsing C++ code in all of its paths.

Fixes: https://github.com/llvm/llvm-project/issues/73559.
```

https://github.com/llvm/llvm-project/pull/74926