[llvm-branch-commits] [llvm] release/19.x: [RemoveDIs] Fix spliceDebugInfo splice-to-end edge case (#105671) (PR #106691)

[Orlando Cazalet-Hyams via llvm-branch-commits]

OCHyams wrote:

Edge-case `BasicBlock::end()` iterator dereference, depends on https://github.com/llvm/llvm-project/pull/106690

https://github.com/llvm/llvm-project/pull/106691