From: Douglas Gregor <dgregor@apple.com>
Date: Fri, 29 Jun 2012 18:28:41 +0000 (+0000)
Subject: std::nullptr_t support in MS headers, from João Matos.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e25d3df6df39ecca4dad4647be2713cb85653634;p=clang

std::nullptr_t support in MS headers, from João Matos.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159448 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Headers/stddef.h b/lib/Headers/stddef.h
index d7db826e67..eb919b57bc 100644
--- a/lib/Headers/stddef.h
+++ b/lib/Headers/stddef.h
@@ -52,6 +52,13 @@ typedef __WCHAR_TYPE__ wchar_t;
 #  define NULL ((void*)0)
 #endif
 
+#ifdef __cplusplus
+#if defined(_MSC_EXTENSIONS) && defined(_NATIVE_NULLPTR_SUPPORTED)
+namespace std { typedef decltype(nullptr) nullptr_t; }
+using ::std::nullptr_t;
+#endif
+#endif
+
 #define offsetof(t, d) __builtin_offsetof(t, d)
 
 #endif /* __STDDEF_H */