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Planet SBCL is a meta blog that collects the contents of various SBCL-related blogs. It was inspired by Planet Lisp.

Most times are listed in GMT.

April 4, 2026

SBCL Commits — Rename call-static-fun to call-lisp-fun

April 3, 2026

SBCL Commits — Avoid calling cache-statistics function

SBCL Commits — Enable sb-profile test for mark-region

SBCL Commits — Enable a test file for mark-region which passes now

SBCL Commits — Move print-object on sb-pcl::cache near its defstruct

SBCL Commits — Unroll more things for (equal x '(y))

April 2, 2026

SBCL Commits — find-or-create-equality-constraint: use vector-length as a key

SBCL Commits — Maybe fix join-equality-constraints

April 1, 2026

SBCL Commits — x86-64: smaller (funcall (or null function))

SBCL Commits — Smaller type testing of function for call-symbol

Launchpad Bugs — [2147050] Inefficient code for a function with a keyword argument

March 22, 2026

Launchpad Bugs — [2145139] No compile-time errors when returning wrong number of arguments of universal type

March 19, 2026

Launchpad Bugs — [2144911] Infinite loop in compiler

March 13, 2026

Launchpad Bugs — [2144342] Incorrect behavior from SORT

Launchpad Bugs — [2144071] Memory fault in simple code with special variable

March 8, 2026

Launchpad Bugs — [2143671] Incorrect invalid index error in coerce to vector

Launchpad Bugs — [2143670] Unreachable code reached (coerce to vector)

March 6, 2026

Launchpad Bugs — [2143383] Inconsistent negative zero in imagpart of complex number

March 3, 2026

Launchpad Bugs — [2143167] cl-posix-mqueue segfaults sbcl 2.6.2

Launchpad Bugs — [2143163] Erroneous transform in STABLE-SORT

Launchpad Bugs — [2143114] Backquote regression in 2.6.2: TYPE-ERROR with nested alist in loop

March 1, 2026

Launchpad Bugs — [2142998] MacPorts points to older versions not available on sbcl GitHub folder

February 28, 2026

Launchpad Bugs — [2142949] The value -373355852 is not of type INTEGER

February 25, 2026

Launchpad Bugs — [2142714] Weak hash-table corruption by GC

Launchpad Bugs — [2142711] mark-region-gc crashes in component_ptr_from_pc

February 24, 2026

Launchpad Bugs — [2142635] immobile-code-dealloc-1 deadlock

February 20, 2026

Launchpad Bugs — [2142297] The value NIL is not of type NUMBER

February 17, 2026

Launchpad Bugs — [2142062] count slow on simple-bit-vectors with :start or :end and on non-simple bit-vectors

February 14, 2026

Launchpad Bugs — [2141820] The value #<SB-KERNEL:NAMED-TYPE NIL> is not of type SB-KERNEL:VALUES-TYPE

February 10, 2026

Launchpad Bugs — [2141482] Type error on hashes in a weak hashtable if you specify hash-function