syntax_data: {"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // Types that reference `ty::Error` pessimistically don't have a meaningful layout.
context_before: ) -> Result<Layout<'tcx>, &'tcx LayoutError<'tcx>> {
context_after:     // The only side-effect of this is possibly worse diagnostics in case the layout