Log sequence specialization failures in `for' loops.
Log sequence specialization failures in `for' loops.

Using this logging, Optimization Coach can recommend adding `in-list'
and co. to `for' loops in hot code.

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket