[clang] [CodeGen][ObjC] Initial WebAssembly Support for GNUstep v2 (PR #183753)

[Hugo Melder via cfe-commits]

hmelder wrote:

@HendrikHuebner 
> If we simply push a cleanup that contains the finally block right before entering the try/catch, will this not be guaranteed to be invoked after exiting the try/catch in both the exceptional and non exceptional case?

But this is not the right eh scope then. You want to wrap the try/catch eh scope and then add a cleanup for both the normal and exception edge.

Please read the comment in FinallyInfo::Enter:
https://github.com/llvm/llvm-project/blob/936643678fa80eceea717ad304300d8a90340df0/clang/lib/CodeGen/CGException.cpp#L1459-L1468

Here the definition of FinallyInfo::Enter:
https://github.com/llvm/llvm-project/blob/936643678fa80eceea717ad304300d8a90340df0/clang/lib/CodeGen/CGException.cpp#L1479-L1488

https://github.com/llvm/llvm-project/pull/183753