syntax_data: {"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"guar"}]}
source_snippet:         guar = guar.or(self.dcx().emit_stashed_diagnostics());
context_before:         guar = guar.or(self.check_miri_unleashed_features());
context_after:         self.dcx().print_error_count();