Fix magic cookie reference in mc-manual.

The URL to the original C++ front-end for GCC internals document
disappeared. Replace it with an URL that still has a description of
the original magic cookie added by operator new [] by that frontend.

diff --git a/memcheck/docs/mc-manual.xml b/memcheck/docs/mc-manual.xml
index b70680014973cefb14a9f4c6a31182eb8a72c58c..4de7c3debcbde0dfd9035ddd350403ad9e76ff51 100644 (file)
--- a/memcheck/docs/mc-manual.xml
+++ b/memcheck/docs/mc-manual.xml
@@ -488,7 +488,7 @@ several ways we know of that an interior-pointer can occur:</para>
     this case, some compilers store a "magic cookie" containing the array
     length at the start of the allocated block, and return a pointer to just
     past that magic cookie, i.e. an interior-pointer.
-    See <ulink url="http://theory.uwinnipeg.ca/gnu/gcc/gxxint_14.html">this
+    See <ulink url="https://docs.freebsd.org/info/gxxint/gxxint.info.Free_Store.html">this
     page</ulink> for more information.</para>
   </listitem>