Replace __cplusplus comparisons and dialect __has_feature checks with TEST_STD_VER.

This is a huge cleanup that helps make the libc++ test suite more portable.
Patch from STL@microsoft.com. Thanks STL!

llvm-svn: 272716

1 files changed, 1 insertions, 1 deletions

diff --git a/libcxx/test/std/containers/sequences/vector.bool/move_alloc.pass.cpp b/libcxx/test/std/containers/sequences/vector.bool/move_alloc.pass.cpp
index deee9326197..7aaa7c55550 100644
--- a/libcxx/test/std/containers/sequences/vector.bool/move_alloc.pass.cpp
+++ b/libcxx/test/std/containers/sequences/vector.bool/move_alloc.pass.cpp
@@ -58,7 +58,7 @@ int main()
         assert(!l.empty());
         assert(l2.get_allocator() == other_allocator<bool>(4));
     }
-#if __cplusplus >= 201103L
+#if TEST_STD_VER >= 11
     {
         std::vector<bool, min_allocator<bool> > l(min_allocator<bool>{});
         std::vector<bool, min_allocator<bool> > lo(min_allocator<bool>{});