[clang] [SSAF] Mark two failing tests as unsupported (PR #223976)

[Balázs Benics via cfe-commits]

steakhal wrote:

> I'm not merging this right now because I'm leaving for four days of vacation tomorrow and during that this doesn't bother me.
> 
> As I thought a bit about this failure, perhaps it is caused by the presence of an obsolete `clang-apply-replacements` binary that fails to link with some more recently built dynamic libraries (or something like that). (I don't remember building `clang-apply-replacemets` but it may have been built along with some tidy etc. targets that I build rarely.)

This is a fair criticism. I'll merge this tomorrow.

https://github.com/llvm/llvm-project/pull/223976