[clang] [CUDA] pass -fno-threadsafe-statics to GPU sub-compilations. (PR #117074)

[Yaxun Liu via cfe-commits]

yxsamliu wrote:

> @yxsamliu -- should I add it for HIP, too?

Yes please. I would appreciate that. Thanks.

https://github.com/llvm/llvm-project/pull/117074