syntax_data: {"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"cx.tcx().dcx().delayed_bug(format!("}]}
source_snippet:                 cx.tcx().dcx().delayed_bug(format!(
context_before:             if cx.typing_env.param_env.caller_bounds().is_empty() {
context_after:                     "encountered unexpected unsized field in layout of {ty:?}: {field:#?}"