syntax_data: {"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"self.opts.optimize"}]}
source_snippet:         self.opts.optimize != config::OptLevel::No
context_before:     pub fn emit_lifetime_markers(&self) -> bool {
context_after:         // AddressSanitizer and KernelAddressSanitizer uses lifetimes to detect use after scope bugs.