[PATCH] [libcxx] Mark most tuple tests UNSUPPORTED for c++03 and c++98.

[Eric Fiselier]

================
Comment at: test/utilities/tuple/tuple.general/tuple.smartptr.pass.cpp:11
@@ +10,3 @@
+
+// UNSUPPORTED: c++98, c++03
+
----------------
jroelofs wrote:
> Don't we require that the set of LIT directives happen in the first continuous block of '//' comments?
Almost. Lines containing only white space are also allowed.

http://reviews.llvm.org/D5956