syntax_data: {"ast_node_type":"variable","tokens":[{"end":88,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if let Err(error) = cg.linker_features.check_unstable_variants(&target_triple) {
context_before:     if !unstable_options_enabled {
context_after:             early_dcx.early_fatal(error);