Function cranelift_codegen_meta::cdsl::xform::rewrite_defined_vars

fn rewrite_defined_vars(
    position: PatternPosition, 
    dummy_def: &DummyDef, 
    def_index: DefIndex, 
    symbol_table: &mut HashMap<String, VarIndex>, 
    defined_vars: &mut Vec<VarIndex>, 
    var_pool: &mut VarPool
) -> Vec<VarIndex>

Given a list of symbols defined in a Def, rewrite them to local symbols. Yield the new locals.