[clang] [llvm] [NVPTX] Change the alloca address space in NVPTXLowerAlloca (PR #154814)

[Theodoros Theodoridis via llvm-commits]

thetheodor wrote:

Strange. I had to rebase my local branch on top of main to trigger the same failure. Does this mean that the test bots rebase before building and testing?

https://github.com/llvm/llvm-project/pull/154814