Implement the infrastructure for feature-test macros. Very few actual feature test macros, though. Reviewed as: https://reviews.llvm.org/D51955
llvm-svn: 342073
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: f56972e22489c92028e5147344ab8b31b0b4fed5
diff --git a/include/iterator b/include/iterator
index 9415e0b..aed0525 100644
--- a/include/iterator
+++ b/include/iterator
@@ -418,6 +418,7 @@
#include <type_traits>
#include <cstddef>
#include <initializer_list>
+#include <version>
#ifdef __APPLE__
#include <Availability.h>
#endif