[lldb] [mlir] [flang] [llvm] [libc] [libcxx] [openmp] [clang-tools-extra] [clang] GlobalISel: Guide return in llvm::getIConstantSplatVal (PR #71989)

[Changpeng Fang via cfe-commits]

changpeng wrote:

> Any tests?
Encountered this issue during a downstream branch testing. No test for trunk yet but think the issue should be here.  

https://github.com/llvm/llvm-project/pull/71989