Add tests to check that swap(std::function, std::function) is noexcept. This is LWG#2062, but we already do this. No changes to the library, just adding tests.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@283780 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed