Type compatibility problem with ?:
Imported from http://bugzilla.roxen.com/bugzilla/show_bug.cgi?id=3412
Reported by Martin Nilsson, IDA email@example.com
It is possible to run 1?throw(1):1; in Pike up until 7.2. Then in Pike 7.4 it produces the error "The arguments to ?: may not be void." IMO the above expression should be allowed in Pike 7.4 as well. In any case it needs compatibility junk if the yyerror is to remain.