syntax_data: {"ast_node_type":"other","tokens":[{"end":20,"kind":"keyword","start":0,"text":".tcx"}]}
source_snippet:                 .tcx
context_before:             let Ok(op_layout) = self
context_after:                 .layout_of(self.typing_env.as_query_input(op.ty(self.local_decls, self.tcx)))