diff --git a/libstdc++-v3/doc/html/manual/debug.html b/libstdc++-v3/doc/html/manual/debug.html
index eb83d4e15ac93b4f67594e0d94fc0f4bc1fde3c2..a5f51569e008568d1c64fee59f95b383b7a69895 100644
--- a/libstdc++-v3/doc/html/manual/debug.html
+++ b/libstdc++-v3/doc/html/manual/debug.html
@@ -27,7 +27,7 @@
   platform can be identified via the value set by the
   PREFERRED_DEBUGGING_TYPE macro in the GCC sources.
 </p><p>
-  Many other options are available: please see <a class="link" href="http://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html#Debugging%20Options" target="_top">"Options
+  Many other options are available: please see <a class="link" href="https://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html#Debugging%20Options" target="_top">"Options
   for Debugging Your Program"</a> in Using the GNU Compiler
   Collection (GCC) for a complete list.
 </p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="debug.debug_mode"></a>Debug Mode</h3></div></div></div><p>
@@ -180,7 +180,7 @@
   Refer to the documentation of each particular tool for details.
 </p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="debug.gdb"></a>Using <span class="command"><strong>gdb</strong></span></h3></div></div></div><p>
   </p><p>
-  Many options are available for GDB itself: please see <a class="link" href="http://sourceware.org/gdb/current/onlinedocs/gdb" target="_top">
+  Many options are available for GDB itself: please see <a class="link" href="https://sourceware.org/gdb/current/onlinedocs/gdb" target="_top">
   "GDB features for C++" </a> in the GDB documentation. Also
   recommended: the other parts of this manual.
 </p><p>
@@ -214,12 +214,12 @@
   print the classes as if the Python pretty-printers were not loaded.
 </p><p>
   For additional information on STL support and GDB please visit:
-  <a class="link" href="http://sourceware.org/gdb/wiki/STLSupport" target="_top"> "GDB Support
+  <a class="link" href="https://sourceware.org/gdb/wiki/STLSupport" target="_top"> "GDB Support
   for STL" </a> in the GDB wiki.  Additionally, in-depth
   documentation and discussion of the pretty printing feature can be
   found in "Pretty Printing" node in the GDB manual.  You can find
   on-line versions of the GDB user manual in GDB's homepage, at
-  <a class="link" href="http://sourceware.org/gdb/" target="_top"> "GDB: The GNU Project
+  <a class="link" href="https://sourceware.org/gdb/" target="_top"> "GDB: The GNU Project
   Debugger" </a>.
 </p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="debug.req"></a>Debug Versions of Library Binary Files</h3></div></div></div><p>
   As described above, libstdc++ is built with debug symbols enabled by default,
@@ -250,4 +250,4 @@
   with C++11 and later standards. They might be removed at a future date.
   </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="using_exceptions.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="using.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="std_contents.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Exceptions </td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"> Part II. 
     Standard Contents
-  </td></tr></table></div></body></html>
\ No newline at end of file
+  </td></tr></table></div></body></html>
diff --git a/libstdc++-v3/doc/xml/manual/debug.xml b/libstdc++-v3/doc/xml/manual/debug.xml
index 23dbae5e52133cd05cffb884f437bd4762ac3b2d..44784071538e581f694834082221f88656997c0a 100644
--- a/libstdc++-v3/doc/xml/manual/debug.xml
+++ b/libstdc++-v3/doc/xml/manual/debug.xml
@@ -49,7 +49,7 @@
 </para>
 
 <para>
-  Many other options are available: please see <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html#Debugging%20Options">"Options
+  Many other options are available: please see <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html#Debugging%20Options">"Options
   for Debugging Your Program"</link> in Using the GNU Compiler
   Collection (GCC) for a complete list.
 </para>
@@ -270,7 +270,7 @@
   </para>
 
 <para>
-  Many options are available for GDB itself: please see <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://sourceware.org/gdb/current/onlinedocs/gdb">
+  Many options are available for GDB itself: please see <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://sourceware.org/gdb/current/onlinedocs/gdb">
   "GDB features for C++" </link> in the GDB documentation. Also
   recommended: the other parts of this manual.
 </para>
@@ -316,12 +316,12 @@
 
 <para>
   For additional information on STL support and GDB please visit:
-  <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://sourceware.org/gdb/wiki/STLSupport"> "GDB Support
+  <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://sourceware.org/gdb/wiki/STLSupport"> "GDB Support
   for STL" </link> in the GDB wiki.  Additionally, in-depth
   documentation and discussion of the pretty printing feature can be
   found in "Pretty Printing" node in the GDB manual.  You can find
   on-line versions of the GDB user manual in GDB's homepage, at
-  <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://sourceware.org/gdb/"> "GDB: The GNU Project
+  <link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="https://sourceware.org/gdb/"> "GDB: The GNU Project
   Debugger" </link>.
 </para>