syntax_data: {"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // alignment 4 that still gets ignored during layout computation (which is okay
context_before:             // `layout/zero-sized-array-union.rs`, where a type has a zero-size field with
context_after:             // since other fields already force alignment 4).