syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":".layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(ty))"}]}
source_snippet:         .layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(ty))
context_before:     let layout = tcx
context_after:         .expect("failed to build vtable representation");