Mark tests as unsupported under libcpp-no-exceptions

The destructor of std::promise needs to construct a std::future_error
exception so it calls std::make_exception_ptr. But under
libcpp-no-exceptions this will trigger an abort.

Differential Revision: https://reviews.llvm.org/D27614



git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@291550 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed