[clang] [llvm] [clang][CUDA] Avoid accounting for tail padding in LLVM offloading (PR #156229)

[Kevin Sala Penades via llvm-commits]

kevinsala wrote:

@jhuber6 @Artem-B does the new approach look better? We now pass the same size for both nvidia and amdgpu kernels.

https://github.com/llvm/llvm-project/pull/156229