Uncaught type error in CONCATENATE 'STRING with improper list argument

Bug #1768563 reported by Paul F. Dietz on 2018-05-02
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
SBCL
Undecided
Unassigned

Bug Description

(lambda () (concatenate 'string '(#\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: (SB-KERNEL:%MAP-FOR-EFFECT-ARITY-1 #<CLOSURE (FLET "WRAPPER3" :IN SB-C::STRING-CONCATENATE-TRANSFORM) {7FFFF6DB6F2B}> (#\a . #\b))
  1: (SB-C::STRING-CONCATENATE-TRANSFORM #<SB-C::COMBINATION :FUN #<SB-C::REF :LEAF #<SB-C::GLOBAL-VAR :%SOURCE-NAME CONCATENATE :TYPE #1=#<SB-KERNEL:FUN-TYPE #> :DEFINED-TYPE #1# :WHERE-FROM :DECLARED :K..
  2: ((SB-C:DEFTRANSFORM CONCATENATE) #<SB-C::COMBINATION :FUN #<SB-C::REF :LEAF #<SB-C::GLOBAL-VAR :%SOURCE-NAME CONCATENATE :TYPE #1=#<SB-KERNEL:FUN-TYPE #> :DEFINED-TYPE #1# :WHERE-FROM :DECLARED :KIND..

summary: - Incaught type error in CONCATENATE 'STRING with improper list argument
+ Uncaught type error in CONCATENATE 'STRING with improper list argument
Stas Boukarev (stassats) wrote :

17871fbbfdcadf89bd33b42d285d67cef806b162

Changed in sbcl:
status: New → Fix Committed
Changed in sbcl:
status: Fix Committed → Fix Released
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