syntax_data: {"ast_node_type":"variable","tokens":[{"end":90,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let literal = Const::from_bits(self.tcx, size.unsigned_int_max(), typing_env, ty);
context_before:         let size = self.tcx.layout_of(typing_env.as_query_input(ty)).unwrap().size;