libc++: switch from using _ATTRIBUTE(noreturn) (which conflicts with a
platform-provided macro on some systems) to _LIBCPP_NORETURN.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@160773 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/__config b/include/__config
index 3df583f..530a320 100644
--- a/include/__config
+++ b/include/__config
@@ -182,9 +182,9 @@
 #endif
 
 #if __has_feature(cxx_attributes)
-#  define _ATTRIBUTE(x) [[x]]
+#  define _LIBCPP_NORETURN [[noreturn]]
 #else
-#  define _ATTRIBUTE(x) __attribute__ ((x))
+#  define _LIBCPP_NORETURN __attribute__ ((noreturn))
 #endif
 
 #define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
@@ -277,7 +277,7 @@
 
 #define _ALIGNAS(x) __attribute__((__aligned__(x)))
 
-#define _ATTRIBUTE(x) __attribute__((x))
+#define _LIBCPP_NORETURN __attribute__((noreturn))
 
 #if !__EXCEPTIONS
 #define _LIBCPP_NO_EXCEPTIONS
@@ -349,7 +349,7 @@
 #define _LIBCPP_HAS_NO_UNICODE_CHARS
 #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
 #define __alignof__ __alignof
-#define _ATTRIBUTE __declspec
+#define _LIBCPP_NORETURN __declspec(noreturn)
 #define _ALIGNAS(x) __declspec(align(x))
 #define _LIBCPP_HAS_NO_VARIADICS
 
diff --git a/include/exception b/include/exception
index f7c3b70..2f527d9 100644
--- a/include/exception
+++ b/include/exception
@@ -107,19 +107,19 @@
 typedef void (*unexpected_handler)();
 _LIBCPP_VISIBLE unexpected_handler set_unexpected(unexpected_handler) _NOEXCEPT;
 _LIBCPP_VISIBLE unexpected_handler get_unexpected() _NOEXCEPT;
-_ATTRIBUTE(noreturn) _LIBCPP_VISIBLE void unexpected();
+_LIBCPP_NORETURN _LIBCPP_VISIBLE void unexpected();
 
 typedef void (*terminate_handler)();
 _LIBCPP_VISIBLE terminate_handler set_terminate(terminate_handler) _NOEXCEPT;
 _LIBCPP_VISIBLE terminate_handler get_terminate() _NOEXCEPT;
-_ATTRIBUTE(noreturn) _LIBCPP_VISIBLE void terminate() _NOEXCEPT;
+_LIBCPP_NORETURN _LIBCPP_VISIBLE void terminate() _NOEXCEPT;
 
 _LIBCPP_VISIBLE bool uncaught_exception() _NOEXCEPT;
 
 class exception_ptr;
 
 exception_ptr current_exception() _NOEXCEPT;
-_ATTRIBUTE(noreturn) void rethrow_exception(exception_ptr);
+_LIBCPP_NORETURN void rethrow_exception(exception_ptr);
 
 class _LIBCPP_VISIBLE exception_ptr
 {
@@ -143,7 +143,7 @@
         {return !(__x == __y);}
 
     friend exception_ptr current_exception() _NOEXCEPT;
-    _ATTRIBUTE(noreturn) friend void rethrow_exception(exception_ptr);
+    _LIBCPP_NORETURN friend void rethrow_exception(exception_ptr);
 };
 
 template<class _Ep>
@@ -174,7 +174,7 @@
     virtual ~nested_exception() _NOEXCEPT;
 
     // access functions
-    _ATTRIBUTE(noreturn) void rethrow_nested() const;
+    _LIBCPP_NORETURN void rethrow_nested() const;
     _LIBCPP_INLINE_VISIBILITY exception_ptr nested_ptr() const _NOEXCEPT {return __ptr_;}
 };
 
@@ -187,7 +187,7 @@
 };
 
 template <class _Tp>
-_ATTRIBUTE(noreturn)
+_LIBCPP_NORETURN
 void
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 throw_with_nested(_Tp&& __t, typename enable_if<
@@ -206,7 +206,7 @@
 }
 
 template <class _Tp>
-_ATTRIBUTE(noreturn)
+_LIBCPP_NORETURN
 void
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 throw_with_nested(_Tp&& __t, typename enable_if<