libstdc++/71073 add system_header pragma to Debug Mode headers

	PR libstdc++/71073
	* include/debug/bitset: Add #pragma GCC system_header.
	* include/debug/deque: Likewise.
	* include/debug/list: Likewise.
	* include/debug/map: Likewise.
	* include/debug/set: Likewise.
	* include/debug/string: Likewise.
	* include/debug/unordered_map: Likewise.
	* include/debug/unordered_set: Likewise.
	* include/debug/vector: Likewise.
	* include/debug/functions.h: Adjust whitespace.

From-SVN: r236211

libstdc++-v3/ChangeLog

+2016-05-13  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/71073
+	* include/debug/bitset: Add #pragma GCC system_header.
+	* include/debug/deque: Likewise.
+	* include/debug/list: Likewise.
+	* include/debug/map: Likewise.
+	* include/debug/set: Likewise.
+	* include/debug/string: Likewise.
+	* include/debug/unordered_map: Likewise.
+	* include/debug/unordered_set: Likewise.
+	* include/debug/vector: Likewise.
+	* include/debug/functions.h: Adjust whitespace.
+
 2016-05-12  Jonathan Wakely  <jwakely@redhat.com>
 
 	PR libstdc++/71081

libstdc++-v3/include/debug/bitset

@@ -29,6 +29,8 @@
 #ifndef _GLIBCXX_DEBUG_BITSET
 #define _GLIBCXX_DEBUG_BITSET
 
+#pragma GCC system_header
+
 #include <bitset>
 #include <debug/safe_sequence.h>
 #include <debug/safe_iterator.h>

libstdc++-v3/include/debug/deque

@@ -29,6 +29,8 @@
 #ifndef _GLIBCXX_DEBUG_DEQUE
 #define _GLIBCXX_DEBUG_DEQUE 1
 
+#pragma GCC system_header
+
 #include <deque>
 #include <debug/safe_sequence.h>
 #include <debug/safe_container.h>

libstdc++-v3/include/debug/functions.h

@@ -29,11 +29,10 @@
 #ifndef _GLIBCXX_DEBUG_FUNCTIONS_H
 #define _GLIBCXX_DEBUG_FUNCTIONS_H 1
 
-#include <bits/move.h>				// for __addressof
-#include <bits/stl_function.h>			// for less
+#include <bits/move.h>		// for __addressof
+#include <bits/stl_function.h>	// for less
 #if __cplusplus >= 201103L
-# include <type_traits>				// for is_lvalue_reference and
-						// conditional.
+# include <type_traits>		// for is_lvalue_reference and conditional.
 #endif
 
 #include <debug/helper_functions.h>

libstdc++-v3/include/debug/list

@@ -29,6 +29,8 @@
 #ifndef _GLIBCXX_DEBUG_LIST
 #define _GLIBCXX_DEBUG_LIST 1
 
+#pragma GCC system_header
+
 #include <list>
 #include <debug/safe_sequence.h>
 #include <debug/safe_container.h>

libstdc++-v3/include/debug/map

@@ -29,6 +29,8 @@
 #ifndef _GLIBCXX_DEBUG_MAP
 #define _GLIBCXX_DEBUG_MAP 1
 
+#pragma GCC system_header
+
 #include <map>
 #include <debug/map.h>
 #include <debug/multimap.h>

libstdc++-v3/include/debug/set

@@ -29,6 +29,8 @@
 #ifndef _GLIBCXX_DEBUG_SET
 #define _GLIBCXX_DEBUG_SET 1
 
+#pragma GCC system_header
+
 #include <set>
 #include <debug/set.h>
 #include <debug/multiset.h>

libstdc++-v3/include/debug/string

@@ -29,6 +29,8 @@
 #ifndef _GLIBCXX_DEBUG_STRING
 #define _GLIBCXX_DEBUG_STRING 1
 
+#pragma GCC system_header
+
 #include <string>
 #include <debug/safe_sequence.h>
 #include <debug/safe_container.h>

libstdc++-v3/include/debug/unordered_map

@@ -29,6 +29,8 @@
 #ifndef _GLIBCXX_DEBUG_UNORDERED_MAP
 #define _GLIBCXX_DEBUG_UNORDERED_MAP 1
 
+#pragma GCC system_header
+
 #if __cplusplus < 201103L
 # include <bits/c++0x_warning.h>
 #else

libstdc++-v3/include/debug/unordered_set

@@ -29,6 +29,8 @@
 #ifndef _GLIBCXX_DEBUG_UNORDERED_SET
 #define _GLIBCXX_DEBUG_UNORDERED_SET 1
 
+#pragma GCC system_header
+
 #if __cplusplus < 201103L
 # include <bits/c++0x_warning.h>
 #else

libstdc++-v3/include/debug/vector

@@ -29,6 +29,8 @@
 #ifndef _GLIBCXX_DEBUG_VECTOR
 #define _GLIBCXX_DEBUG_VECTOR 1
 
+#pragma GCC system_header
+
 #include <vector>
 #include <utility>
 #include <debug/safe_sequence.h>