[llvm] [FastISel] Ignore debug uses when folding a load (PR #228719)

[Aochang Liu via llvm-commits]

HelloWorldU wrote:

Updated LTO_CCU_zero_loc_cov.ll: in its optnone main, the load describing the inlined parameter "a" is now folded, so "a" loses its location (10 -> 9).

https://github.com/llvm/llvm-project/pull/228719