def unref_alias(self, alias, amount=1):
        self.alias_refcount[alias] -= amount
Parse an x86 instruction.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/models/sql/query.py/Query.unref_alias--crossover with--dataset/ETHPy150Open programa-stic/barf-project/barf/barf/arch/x86/x86parser.py/X86Parser.parse