What mental disorder is most commonly self diagnosed with alcohol?

Some people are drawn to alcohol for natural reasons. Many are drawn to alcohol, almost naturally because it is medicinal to them. In cases people can both, think better and increase mental capabilities under the influence of alcohol. For example someone that has social anxiety can further succeed in social situations and feel more "normal" under the influence of alcohol, which can cause them to easily be drawn to it as an attempt to self diagnose. Many people legitimately feel they can function better under the influence of alcohol because of something it provides them. Something that achieves their brain's satisfaction in aiding a natural abnormality or disorder. But, what disorder or abnormality is most common in attempting to self diagnose by comsuming alcohol?