[flang-commits] [flang] [flang] Add struct passing target rewrite hooks and partial X86-64 impl (PR #74829)

[Tom Eccles via flang-commits]

https://github.com/tblah commented:

The approach looks good. I don't know enough about the X86 ABI to comment on any specifics.

https://github.com/llvm/llvm-project/pull/74829