The AMD64 port can now produce a working warm core, and build some of the contribs.

% ls -l output/sbcl.core
-rw-r--r--  1 jsnell 449470464 Nov 24 22:39 output/sbcl.core
% ls -l contrib/**/*.fasl
-rw-r--r--  1 jsnell 328761 Nov 24 22:40 contrib/asdf/asdf.fasl
-rw-r--r--  1 jsnell  12692 Nov 24 22:40 contrib/sb-executable/sb-executable.fasl
-rw-r--r--  1 jsnell  50061 Nov 24 22:40 contrib/sb-introspect/sb-introspect.fasl
-rw-r--r--  1 jsnell 271616 Nov 24 22:40 contrib/sb-sprof/sb-sprof.fasl
% src/runtime/sbcl --core output/sbcl.core --userinit /dev/null --sysinit /dev/null
[... skip about 5000 lines of debug output]
* (lisp-implementation-version)
"0.8.15.14.x86-64-again-branch.12"
* most-positive-fixnum
1152921504606846975
* (1+ most-positive-fixnum)
1152921504606846976
* (load "contrib/asdf/asdf.fasl")
[...]
T
* (quit)