syntax_data: {"ast_node_type":"function","tokens":[{"end":72,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn pass_by_stack_offset(&mut self, byval_align: Option<Align>) {
context_before:     /// to ensure that Rust code never sees an underaligned pointer.
context_after:         assert!(!self.layout.is_unsized(), "used byval ABI for unsized layout");