[clang] [llvm] [mlir] [OpenMP][OMPIRBuilder] Error propagation across callbacks (PR #112533)

[Pranav Bhandarkar via cfe-commits]

https://github.com/bhandarkar-pranav commented:

Thank you for this PR, @skatrak, a very useful change. I have minor nits but other than that, LGTM.

https://github.com/llvm/llvm-project/pull/112533