When testing against the system library, there is a relatively minor ABI breakage that the std::future_errc values have been changed to avoid using zero. Update the tests that rely on the values being consistent. llvm-svn: 208840
When testing against the system library, there is a relatively minor ABI breakage that the std::future_errc values have been changed to avoid using zero. Update the tests that rely on the values being consistent. llvm-svn: 208840