This atrocious link is now broken (or kind of, redirecting to a generic page talking about software support and roadmap/future) of True64. ;-)
Applied Gerald Index: gcc-3.4/changes.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-3.4/changes.html,v retrieving revision 1.162 diff -u -r1.162 changes.html --- gcc-3.4/changes.html 28 Jun 2014 20:35:50 -0000 1.162 +++ gcc-3.4/changes.html 30 Dec 2016 14:46:13 -0000 @@ -768,8 +768,7 @@ allow utilizing the more obscure instructions of the CPU.</li> <li>Parameter passing of complex arguments has changed to match the - <a href="http://h30097.www3.hp.com/docs/base_doc/DOCUMENTATION/V51A_HTML/ARH9MBTE/DTMNPLTN.HTM#normal-argument-list-structure"> - ABI</a>. This change is incompatible with previous GCC versions, but + ABI. This change is incompatible with previous GCC versions, but does fix compatibility with the Tru64 compiler and several corner cases where GCC was incompatible with itself.</li> </ul>