Comment 0 for bug 1768263

(compile nil '(lambda (x) (member x '(a . b))))

==>

The value
  B
is not of type
  LIST
   [Condition of type TYPE-ERROR]

Restarts:
 0: [ABORT] Exit debugger, returning to top level.

Backtrace:
  0: ((FLET SB-IMPL::FAST-NTHCDR :IN NTHCDR) 128 (A . B))
  1: (SB-C::TRANSFORM-LIST-ITEM-SEEK MEMBER #<SB-C::LVAR 1 {100D203A53}> #<SB-C::LVAR 2 {100D203B93}> NIL NIL NIL #<SB-C::COMBINATION :FUN #<SB-C::REF :LEAF #<SB-C::GLOBAL-VAR :%SOURCE-NAME MEMBER :TYPE #..
  2: ((SB-C:DEFTRANSFORM MEMBER) #<SB-C::COMBINATION :FUN #<SB-C::REF :LEAF #<SB-C::GLOBAL-VAR :%SOURCE-NAME MEMBER :TYPE #1=#<SB-KERNEL:FUN-TYPE #> :DEFINED-TYPE #1# :WHERE-FROM :DECLARED :KIND :GLOBAL-F..