[clang] [Clang] Allow the value of unroll count to be zero in `#pragma GCC unroll` and `#pragma unroll` (PR #88666)

[Vlad Serebrennikov via cfe-commits]

Endilll wrote:

@ronlieb nice and small reproducer would definitely help resolving this.

https://github.com/llvm/llvm-project/pull/88666