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, 2 insertions, 2 deletions

diff --git a/libcxx/test/std/containers/associative/set/erase_iter.pass.cpp b/libcxx/test/std/containers/associative/set/erase_iter.pass.cpp
index 36828be86f2..85be1f5b9c2 100644
--- a/libcxx/test/std/containers/associative/set/erase_iter.pass.cpp
+++ b/libcxx/test/std/containers/associative/set/erase_iter.pass.cpp
@@ -106,7 +106,7 @@ int main()
         assert(i == m.begin());
         assert(i == m.end());
     }
-#if __cplusplus >= 201103L
+#if TEST_STD_VER >= 11
     {
         typedef std::set<int, std::less<int>, min_allocator<int>> M;
         typedef int V;
@@ -186,7 +186,7 @@ int main()
         assert(i == m.end());
     }
 #endif
-#if __cplusplus >= 201402L
+#if TEST_STD_VER >= 14
     {
     //  This is LWG #2059
         typedef TemplateConstructor T;