PR libstdc++/86595 add missing noexcept

	PR libstdc++/86595
	* include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
	noexcept.

From-SVN: r262904

libstdc++-v3/ChangeLog

+2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/86595
+	* include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
+	noexcept.
+
 2018-07-20  Fangrui Song  <maskray@google.com>
 
 	* include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use

libstdc++-v3/include/bits/fs_dir.h

@@ -138,8 +138,13 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
       refresh(__ec);
     }
 
-    void refresh() { _M_type = symlink_status().type(); }
-    void refresh(error_code& __ec) { _M_type = symlink_status(__ec).type(); }
+    void
+    refresh()
+    { _M_type = symlink_status().type(); }
+
+    void
+    refresh(error_code& __ec) noexcept
+    { _M_type = symlink_status(__ec).type(); }
 
     // observers
     const filesystem::path& path() const noexcept { return _M_path; }