Case C-450/18: Judgment of the Court (First Chamber) of 12 December 2019 (request for a preliminary ruling from the Juzgado de lo Social No 3 de Gerona — Spain) — WA v Instituto Nacional de la Seguridad Social (Reference for a preliminary ruling — Social policy — Directive 79/7/EEC — Equal treatment for men and women in matters of social security — Article 4(1) and (2) — Article 7(1) — Calculation of benefits — Directive 2006/54/EC — Equal treatment of men and women in matters of employment and occupation — National legislation granting a right to a pension supplement for women who have had at least two biological or adopted children, and who are in receipt of a contributory permanent incapacity pension — Same right not granted to men in an identical situation — Comparable situation — Direct discrimination on grounds of sex — No exceptions)