[libcxx] r344642 - [libcxx] Avoid repeating the definition of std:: namespaces

[Louis Dionne]

Author: ldionne
Date: Tue Oct 16 13:02:59 2018
New Revision: 344642

URL: http://llvm.org/viewvc/llvm-project?rev=344642&view=rev
Log:
[libcxx] Avoid repeating the definition of std:: namespaces

This reduces code duplication a tiny bit.

Modified:
    libcxx/trunk/include/__config

Modified: libcxx/trunk/include/__config
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/__config?rev=344642&r1=344641&r2=344642&view=diff
==============================================================================
--- libcxx/trunk/include/__config (original)
+++ libcxx/trunk/include/__config Tue Oct 16 13:02:59 2018
@@ -464,14 +464,10 @@ typedef __char32_t char32_t;
 #endif
 
 // Inline namespaces are available in Clang regardless of C++ dialect.
-#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
+#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_NAMESPACE {
 #define _LIBCPP_END_NAMESPACE_STD  } }
 #define _VSTD std::_LIBCPP_NAMESPACE
-
-namespace std {
-  inline namespace _LIBCPP_NAMESPACE {
-  }
-}
+_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_END_NAMESPACE_STD
 
 #if !defined(_LIBCPP_HAS_NO_ASAN) && !__has_feature(address_sanitizer)
 #define _LIBCPP_HAS_NO_ASAN
@@ -570,11 +566,7 @@ namespace std {
 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_NAMESPACE {
 #define _LIBCPP_END_NAMESPACE_STD  } }
 #define _VSTD std::_LIBCPP_NAMESPACE
-
-namespace std {
-  inline namespace _LIBCPP_NAMESPACE {
-  }
-}
+_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_END_NAMESPACE_STD
 
 #if !defined(_LIBCPP_HAS_NO_ASAN) && !defined(__SANITIZE_ADDRESS__)
 #define _LIBCPP_HAS_NO_ASAN
@@ -614,9 +606,7 @@ namespace std {
 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {
 #define _LIBCPP_END_NAMESPACE_STD  }
 #define _VSTD std
-
-namespace std {
-}
+_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_END_NAMESPACE_STD
 
 #define _LIBCPP_WEAK
 
@@ -645,14 +635,10 @@ namespace std {
 #define __MULTILOCALE_API
 #endif
 
-#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
+#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_NAMESPACE {
 #define _LIBCPP_END_NAMESPACE_STD  } }
 #define _VSTD std::_LIBCPP_NAMESPACE
-
-namespace std {
-  inline namespace _LIBCPP_NAMESPACE {
-  }
-}
+_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_END_NAMESPACE_STD
 
 #define _LIBCPP_HAS_NO_ASAN