can't tell the size of #<SB-C:TN '0!1 :CONSTANT>

[Paul F. Dietz]

(lambda ()
    (/
     (loop for lv4 below 0
           count (if (oddp
                      (let* ((v3 (ceiling -1 (max 11 (unwind-protect 0)))))
                        (rem 0 (min -9 0))))
                     t
                     t))
     -1))

==>

can't tell the size of #<SB-C:TN '0!1 :CONSTANT>
   [Condition of type SIMPLE-ERROR]

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

Backtrace:
  0: (SB-X86-64-ASM::OPERAND-SIZE #<SB-C:TN '0!1 :CONSTANT>)
  1: (SB-X86-64-ASM::MATCHING-OPERAND-SIZE RDX #<SB-C:TN '0!1 :CONSTANT>)
  2: ("MOV" #<SB-ASSEM:SEGMENT {100DF8C113}> RDX RDX #<SB-C:TN '0!1 :CONSTANT>)
  3: (SB-ASSEM::%ASSEMBLE #<SB-ASSEM:SEGMENT {100DF8C113}> (#<SB-ASSEM::STMT IGNORE {100DF8AC23}> . #<SB-ASSEM::STMT .ALIGN {100DF8C2D3}>))
  4: (SB-ASSEM:ASSEMBLE-SECTIONS #S(SB-ASSEM::ASMSTREAM :DATA-SECTION (#<SB-ASSEM::STMT IGNORE {100DF8AC23}> . #<SB-ASSEM::STMT .ALIGN {100DF8C2D3}>) :CODE-SECTION (#1=#<SB-ASSEM::STMT IGNORE {100DF8AC73}>..
  5: (SB-C::GENERATE-CODE #<SB-C:COMPONENT :NAME (FLET "CLEANUP-FUN-7") {100DF65283}>)
  6: (SB-C::%COMPILE-COMPONENT #<SB-C:COMPONENT :NAME (FLET "CLEANUP-FUN-7") {100DF65283}>)
  7: (SB-C::COMPILE-COMPONENT #<SB-C:COMPONENT :NAME (FLET "CLEANUP-FUN-7") {100DF65283}>)
  8: (SB-C::%COMPILE (LAMBDA NIL (/ (LOOP FOR LV4 BELOW 0 COUNT ...) -1)) #<SB-C::CORE-OBJECT {100DF480C3}> :NAME NIL :PATH (SB-C::ORIGINAL-SOURCE-START 0 0))
 […]