[clang] [Clang][CodeGen] Preserve alignment information for pointer arithmetics (PR #152575)

[Vitaly Buka via cfe-commits]

vitalybuka wrote:

CC @fmayer

After this patch we have a change in Ubsan:

before: https://godbolt.org/z/E1rG51cc1
after: https://godbolt.org/z/rj47nMbno
gcc: https://godbolt.org/z/hxbaPhTrM


https://github.com/llvm/llvm-project/pull/152575