[clang] Model coroutine promise construction in the CFG (PR #208569)

[Balázs Benics via cfe-commits]

https://github.com/steakhal commented:

Could you refine the commit message that there is a bit more human touch to it?
I think you could also fix the embedded code in that summary to format well.

https://github.com/llvm/llvm-project/pull/208569