Function rustc_trait_selection::traits::const_evaluatable::mir_abstract_const

pub(in traits) fn mir_abstract_const<'tcx>(
    tcx: TyCtxt<'tcx>, 
    def: WithOptConstParam<LocalDefId>
) -> Result<Option<&'tcx [Node<'tcx>]>, ErrorReported>

Builds an abstract const, do not use this directly, but use AbstractConst::new instead.