commit e780df8fcceeb5b8fbcbd5d965bb07124ed7da2d
Author: Pablo Neira Ayuso <pablo@netfilter.org>
Date:   Wed Oct 5 01:36:52 2022 +0200

    evaluate: datatype memleak after binop transfer
    
    The following ruleset:
    
            ip version vmap { 4 : jump t3, 6 : jump t4 }
    
    results in a memleak.
    
    expr_evaluate_shift() overrides the datatype which results in a datatype
    memleak after the binop transfer that triggers a left-shift of the
    constant (in the map).
    
    Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
