rjmccall added a comment. In https://reviews.llvm.org/D47988#1135929, @rnk wrote:
> In https://reviews.llvm.org/D47988#1135533, @rjmccall wrote: > > > In general, it's unfortunate that this has to leave so many > > C++-runtime-specific tendrils in the ObjC code. Unlike the EH type patch, > > though, I'm not sure I can see a great alternative here, especially because > > of the semantic restrictions required by outlining. > > > It's technically possible to lift those restrictions by returning an i32 from > the outlined function and switching on it. Right? The question is, is it > worth it? The catch funclet would effectively store the i32 to the stack > frame, then "catchret" via the runtime, and then we'd switch out to the jump > target. I don't think it's important. Uses of control flow out of `@finally` are rare, and we could probably forbid it entirely without significant loss. Repository: rC Clang https://reviews.llvm.org/D47988 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
