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/string b/include/string
index 162e540..c79164c 100644
--- a/include/string
+++ b/include/string
@@ -510,6 +510,7 @@
#include <type_traits>
#include <initializer_list>
#include <__functional_base>
+#include <version>
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
#include <cstdint>
#endif