Retriman/TrinityCore — comment on commit a448f9c84c44b504ca7411202abe69c98865dc7d
File: src/server/game/Spells/Spell.cpp line 1465
By Anonimo17:

As someone else said this is useless.

>bool binary = uint32(sSpellMgr->GetSpellInfo(m_spellInfo->Id) & SPELL_ATTR0_CU_BINARY);

Probably this is what you wanted to do