[PATCH] D26458: Protect nested-exceptions tests under no-exceptions

[Asiri Rathnayake via cfe-commits]

rmaprath added a comment.

In https://reviews.llvm.org/D26458#590865, @rmaprath wrote:

> Not sure if either of these tests add much value to the no-exceptions variant, using `std::nested_exception` with such a library seem pointless to me. Perhaps marking these as `UNSUPPORTED` is a better fix?


Also, it seems like we are saving the same assert in all the three tests. If we want to save it that badly, perhaps creating a new test case with a `REQUIRES: libcpp-no-exceptions` is a better  fix.


https://reviews.llvm.org/D26458