syntax_data: {"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // This "fixes" user type annotations for tupled ctor patterns for ADTs.
context_before:         ty::Adt(adt_def, ..) => {
context_after:             // That's because `type_of(ctor_did)` returns a FnDef, but we actually