id,summary,reporter,owner,description,type,status,priority,milestone,component,resolution,keywords,cc,planetversion,pltversion
248,mutator internal error (doesn't like literal numbers?),robby,plai,"This program (with the mutator below):

  #lang planet plai/plai:1:12/mutator
  (allocator-setup ""no-collection-collector.ss"" 100)
  (cons 4 #t)

produces the error:

Welcome to DrScheme, version 4.2.4.2-svn3feb2010 [3m].
Language: planet plai/plai:1:12/mutator custom; memory limit: 256 megabytes.
. . ?: Bug in the PLAI Mutator framework; unrecognized form 4 in: 4
> 

This mutator is broken, but it passes the contract checks enough for the above program to fail.

#lang planet plai/plai:1:8/collector

(define ptr 0)

(define (init-allocator) (void))
  
(define (gc:deref loc) #f)
(define (gc:alloc-flat hv) (void))
(define (gc:cons hd tl) 0)
(define (gc:first pr) 0)
(define (gc:rest pr) 0)
(define (gc:flat? loc) #f)
(define (gc:cons? loc) #f)
(define (gc:set-first! pr new) (void))
(define (gc:set-rest! pr new) (void))
",defect,closed,major,,plai/plai.plt,fixed,,,(1 12),4.2.4.2