[libc-commits] [clang] [libc] [Clang] Update the 'gpuintrin.h' lane scan handling (PR #185451)

[Joseph Huber via libc-commits]

jhuber6 wrote:

> Add header test for it?

I can make a header test, functionality is covered in an existing `libc` test after changing the name.

https://github.com/llvm/llvm-project/pull/185451