[llvm] [DebugInfo][GVNSink] Fix #77415: GVNSink fails to optimize LLVM IR with debug info (PR #77602)

[via llvm-commits]

hiraditya wrote:

@Apochens  do you mind updating the patch, there is a test failure. I think you just need to update the check directives.

https://github.com/llvm/llvm-project/pull/77602