syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"unsupported_sanitizers"}]}
source_snippet:         unsupported_sanitizers -= SanitizerSet::SHADOWCALLSTACK;
context_before:     if sess.opts.unstable_opts.fixed_x18 && sess.target.arch == "aarch64" {
context_after:     }