The value NIL is not of type SB-C::IR2-LVAR

[Paul F. Dietz]

(FLET ((%F8 (F8-1 F8-2 F8-3)
                F8-2))
         (MULTIPLE-VALUE-CALL #'%F8
           (VALUES
            (PROG2 (/ (UNWIND-PROTECT (%F8 -3716048 1796682522 -106932) -5) 1)
                0)
            0 0)))

==>

The value
  NIL
is not of type
  SB-C::IR2-LVAR
   [Condition of type TYPE-ERROR]

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

Backtrace:
  0: (SB-C::STANDARD-RESULT-TNS #<SB-C::LVAR 1 {1003043B83}>)
  1: (SB-C::IR2-CONVERT-LOCAL-UNKNOWN-CALL #<SB-C::COMBINATION :FUN #<SB-C::REF :LEAF #<SB-C::CLAMBDA :%SOURCE-NAME %F8 :%DEBUG-NAME # :KIND NIL :TYPE #<SB-KERNEL:FUN-TYPE #> :WHERE-FROM :DEFINED :VARS # ..
  2: (SB-C::IR2-CONVERT-LOCAL-CALL #<SB-C::COMBINATION :FUN #<SB-C::REF :LEAF #<SB-C::CLAMBDA :%SOURCE-NAME %F8 :%DEBUG-NAME # :KIND NIL :TYPE #<SB-KERNEL:FUN-TYPE #> :WHERE-FROM :DEFINED :VARS # {1003041..
  3: (SB-C::IR2-CONVERT-BLOCK #<SB-C::CBLOCK 4 :START c2 {100304AC83}>)
  4: (SB-C:IR2-CONVERT #<SB-C:COMPONENT :NAME (SB-C::XEP (FLET %F8)) {1003070643}>)
  5: (SB-C::%COMPILE-COMPONENT #<SB-C:COMPONENT :NAME (SB-C::XEP (FLET %F8)) {1003070643}>)
[...]

[Stas Boukarev (stassats)]

In bed4a6c24b2fb49881162520960fdcc2aa29c980