Users reported issues caused by missing the right libstdc++-version-dev.
A new function 'check_cpp_toolchain' added in sanity.bbclass to test linking libstdc++
[YOCTO #15712]
(From OE-Core rev: 611c1a26212dfbfe8d0640d9fefe5df49f7b69b8)
Signed-off-by: Christos Gavros <gavrosc@yahoo.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>