syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:             if cx.typing_env.param_env.caller_bounds().is_empty() {
context_before:             assert!(field.layout.is_unsized(), "invalid layout error {err:#?}");
context_after:                 cx.tcx().dcx().delayed_bug(format!(