syntax_data: {"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":".delayed_bug(format!(\"computed"}]}
source_snippet:                 .delayed_bug(format!("computed impossible repr (packed enum?): {ty:?}"));
context_before:                 .dcx()
context_after:             LayoutError::ReferencesError(guar)