This link has _never_ worked, and instead of referring to the copy at gcc.gnu.org/install/ referring to the installation instructions in textual form makes sense. (They are part of release tarballs, for example.)
Applied. Gerald 2017-02-10 Gerald Pfeifer <ger...@pfeifer.com> * doc/makefile.texi (profiledbootstrap): Refer to the installation instructions only in textual form. Index: doc/makefile.texi =================================================================== --- doc/makefile.texi (revision 245347) +++ doc/makefile.texi (working copy) @@ -138,8 +138,7 @@ @item profiledbootstrap Builds a compiler with profiling feedback information. In this case, the second and third stages are named @samp{profile} and @samp{feedback}, -respectively. For more information, see -@ref{Building,,Building with profile feedback,gccinstall,Installing GCC}. +respectively. For more information, see the installation instructions. @item restrap Restart a bootstrap, so that everything that was not built with