[llvm-branch-commits] [llvm] release/20.x: [IR] Fix assertion error in User new/delete edge case (#129914) (PR #130580)

[Nikita Popov via llvm-branch-commits]

nikic wrote:

I'm not sure this is the right fix. I left a comment on the original PR: https://github.com/llvm/llvm-project/pull/129914#pullrequestreview-2691932377

https://github.com/llvm/llvm-project/pull/130580