syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:     if sess.opts.unstable_opts.fixed_x18 && sess.target.arch == "aarch64" {
context_before:     // we should allow Shadow Call Stack sanitizer.
context_after:         unsupported_sanitizers -= SanitizerSet::SHADOWCALLSTACK;