[clang] [flang] [llvm] [InstCombine] Canonicalize constant GEPs to i8 source element type (PR #68882)

[Nikita Popov via cfe-commits]

nikic wrote:

@dtcxzyw GitHub can't display the diff, and struggles to clone the repo. Can you share the diffs for just the mentioned files?

https://github.com/llvm/llvm-project/pull/68882