Add noexcept to Filesystem TS operators

	* include/experimental/bits/fs_fwd.h (operator&, operator|, operator^,
	operator~ operator&=, operator|=, operator^=): Add noexcept to
	overloaded operators for copy_options, perms and directory_options.
	* src/filesystem/ops.cc (make_file_type, make_file_status,
	is_not_found_errno, file_time): Add noexcept.

From-SVN: r235214

3 files changed, 33 insertions, 25 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 03d2e99..3562b25 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,11 @@
+2016-04-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/experimental/bits/fs_fwd.h (operator&, operator|, operator^,
+	operator~ operator&=, operator|=, operator^=): Add noexcept to
+	overloaded operators for copy_options, perms and directory_options.
+	* src/filesystem/ops.cc (make_file_type, make_file_status,
+	is_not_found_errno, file_time): Add noexcept.
+
 2016-04-19  Edward Smith-Rowland  <3dw4rd@verizon.net>
 
 	* include/bits/c++14_warning.h: Do not refer C++14 as experimental.
diff --git a/libstdc++-v3/include/experimental/bits/fs_fwd.h b/libstdc++-v3/include/experimental/bits/fs_fwd.h
index 1482e18..57aa4d3 100644
--- a/libstdc++-v3/include/experimental/bits/fs_fwd.h
+++ b/libstdc++-v3/include/experimental/bits/fs_fwd.h
@@ -93,7 +93,7 @@ _GLIBCXX_END_NAMESPACE_CXX11
   };
 
   constexpr copy_options
-  operator&(copy_options __x, copy_options __y)
+  operator&(copy_options __x, copy_options __y) noexcept
   {
     using __utype = typename std::underlying_type<copy_options>::type;
     return static_cast<copy_options>(
@@ -101,7 +101,7 @@ _GLIBCXX_END_NAMESPACE_CXX11
   }
 
   constexpr copy_options
-  operator|(copy_options __x, copy_options __y)
+  operator|(copy_options __x, copy_options __y) noexcept
   {
     using __utype = typename std::underlying_type<copy_options>::type;
     return static_cast<copy_options>(
@@ -109,7 +109,7 @@ _GLIBCXX_END_NAMESPACE_CXX11
   }
 
   constexpr copy_options
-  operator^(copy_options __x, copy_options __y)
+  operator^(copy_options __x, copy_options __y) noexcept
   {
     using __utype = typename std::underlying_type<copy_options>::type;
     return static_cast<copy_options>(
@@ -117,22 +117,22 @@ _GLIBCXX_END_NAMESPACE_CXX11
   }
 
   constexpr copy_options
-  operator~(copy_options __x)
+  operator~(copy_options __x) noexcept
   {
     using __utype = typename std::underlying_type<copy_options>::type;
     return static_cast<copy_options>(~static_cast<__utype>(__x));
   }
 
   inline copy_options&
-  operator&=(copy_options& __x, copy_options __y)
+  operator&=(copy_options& __x, copy_options __y) noexcept
   { return __x = __x & __y; }
 
   inline copy_options&
-  operator|=(copy_options& __x, copy_options __y)
+  operator|=(copy_options& __x, copy_options __y) noexcept
   { return __x = __x | __y; }
 
   inline copy_options&
-  operator^=(copy_options& __x, copy_options __y)
+  operator^=(copy_options& __x, copy_options __y) noexcept
   { return __x = __x ^ __y; }
 
 
@@ -163,7 +163,7 @@ _GLIBCXX_END_NAMESPACE_CXX11
   };
 
   constexpr perms
-  operator&(perms __x, perms __y)
+  operator&(perms __x, perms __y) noexcept
   {
     using __utype = typename std::underlying_type<perms>::type;
     return static_cast<perms>(
@@ -171,7 +171,7 @@ _GLIBCXX_END_NAMESPACE_CXX11
   }
 
   constexpr perms
-  operator|(perms __x, perms __y)
+  operator|(perms __x, perms __y) noexcept
   {
     using __utype = typename std::underlying_type<perms>::type;
     return static_cast<perms>(
@@ -179,7 +179,7 @@ _GLIBCXX_END_NAMESPACE_CXX11
   }
 
   constexpr perms
-  operator^(perms __x, perms __y)
+  operator^(perms __x, perms __y) noexcept
   {
     using __utype = typename std::underlying_type<perms>::type;
     return static_cast<perms>(
@@ -187,22 +187,22 @@ _GLIBCXX_END_NAMESPACE_CXX11
   }
 
   constexpr perms
-  operator~(perms __x)
+  operator~(perms __x) noexcept
   {
     using __utype = typename std::underlying_type<perms>::type;
     return static_cast<perms>(~static_cast<__utype>(__x));
   }
 
   inline perms&
-  operator&=(perms& __x, perms __y)
+  operator&=(perms& __x, perms __y) noexcept
   { return __x = __x & __y; }
 
   inline perms&
-  operator|=(perms& __x, perms __y)
+  operator|=(perms& __x, perms __y) noexcept
   { return __x = __x | __y; }
 
   inline perms&
-  operator^=(perms& __x, perms __y)
+  operator^=(perms& __x, perms __y) noexcept
   { return __x = __x ^ __y; }
 
   // Bitmask type
@@ -211,7 +211,7 @@ _GLIBCXX_END_NAMESPACE_CXX11
   };
 
   constexpr directory_options
-  operator&(directory_options __x, directory_options __y)
+  operator&(directory_options __x, directory_options __y) noexcept
   {
     using __utype = typename std::underlying_type<directory_options>::type;
     return static_cast<directory_options>(
@@ -219,7 +219,7 @@ _GLIBCXX_END_NAMESPACE_CXX11
   }
 
   constexpr directory_options
-  operator|(directory_options __x, directory_options __y)
+  operator|(directory_options __x, directory_options __y) noexcept
   {
     using __utype = typename std::underlying_type<directory_options>::type;
     return static_cast<directory_options>(
@@ -227,7 +227,7 @@ _GLIBCXX_END_NAMESPACE_CXX11
   }
 
   constexpr directory_options
-  operator^(directory_options __x, directory_options __y)
+  operator^(directory_options __x, directory_options __y) noexcept
   {
     using __utype = typename std::underlying_type<directory_options>::type;
     return static_cast<directory_options>(
@@ -235,22 +235,22 @@ _GLIBCXX_END_NAMESPACE_CXX11
   }
 
   constexpr directory_options
-  operator~(directory_options __x)
+  operator~(directory_options __x) noexcept
   {
     using __utype = typename std::underlying_type<directory_options>::type;
     return static_cast<directory_options>(~static_cast<__utype>(__x));
   }
 
   inline directory_options&
-  operator&=(directory_options& __x, directory_options __y)
+  operator&=(directory_options& __x, directory_options __y) noexcept
   { return __x = __x & __y; }
 
   inline directory_options&
-  operator|=(directory_options& __x, directory_options __y)
+  operator|=(directory_options& __x, directory_options __y) noexcept
   { return __x = __x | __y; }
 
   inline directory_options&
-  operator^=(directory_options& __x, directory_options __y)
+  operator^=(directory_options& __x, directory_options __y) noexcept
   { return __x = __x ^ __y; }
 
   typedef chrono::time_point<chrono::system_clock> file_time_type;
diff --git a/libstdc++-v3/src/filesystem/ops.cc b/libstdc++-v3/src/filesystem/ops.cc
index c32197e..756e140 100644
--- a/libstdc++-v3/src/filesystem/ops.cc
+++ b/libstdc++-v3/src/filesystem/ops.cc
@@ -249,7 +249,7 @@ namespace
   typedef struct ::stat stat_type;
 
   inline fs::file_type
-  make_file_type(const stat_type& st)
+  make_file_type(const stat_type& st) noexcept
   {
     using fs::file_type;
 #ifdef _GLIBCXX_HAVE_S_ISREG
@@ -273,7 +273,7 @@ namespace
   }
 
   inline fs::file_status
-  make_file_status(const stat_type& st)
+  make_file_status(const stat_type& st) noexcept
   {
     return fs::file_status{
 	make_file_type(st),
@@ -282,13 +282,13 @@ namespace
   }
 
   inline bool
-  is_not_found_errno(int err)
+  is_not_found_errno(int err) noexcept
   {
     return err == ENOENT || err == ENOTDIR;
   }
 
   inline fs::file_time_type
-  file_time(const stat_type& st)
+  file_time(const stat_type& st) noexcept
   {
     using namespace std::chrono;
     return fs::file_time_type{