Some systems failed to build for Quicklisp dist

[quicklisp]

Building with SBCL 2.5.5 / ASDF 3.3.5 for quicklisp dist creation.

Trying to build commit id ca57a0bf4f0925db7d8adef2b5ad7a138b9ce74d

linear-programming-test fails to build with the following error:

; caught WARNING:
;   Derived type of LINEAR-PROGRAMMING/SIMPLEX:TABLEAU is (AND ATOM (NOT NULL) (NOT LINEAR-PROGRAMMING/SIMPLEX:TABLEAU)), conflicting with its asserted type LINEAR-PROGRAMMING/SIMPLEX:TABLEAU.
;   See also:
;     The SBCL Manual, Node "Handling of Types"
...
Unhandled UIOP/LISP-BUILD:COMPILE-FILE-ERROR in thread #<SB-THREAD:THREAD tid=1056224 "main thread" RUNNING {1200F10003}>: COMPILE-FILE-ERROR while compiling #<CL-SOURCE-FILE "linear-programming/simplex" "file-type">

linear-programming fails to build with the following error:

; caught WARNING:
;   Derived type of LINEAR-PROGRAMMING/SIMPLEX:TABLEAU is (AND ATOM (NOT NULL) (NOT LINEAR-PROGRAMMING/SIMPLEX:TABLEAU)), conflicting with its asserted type LINEAR-PROGRAMMING/SIMPLEX:TABLEAU.
;   See also:
;     The SBCL Manual, Node "Handling of Types"
...
Unhandled UIOP/LISP-BUILD:COMPILE-FILE-ERROR in thread #<SB-THREAD:THREAD tid=1056228 "main thread" RUNNING {1200F10003}>: COMPILE-FILE-ERROR while compiling #<CL-SOURCE-FILE "linear-programming/simplex" "file-type">

Full log here