syntax_data: {"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                         // is #[rustc_nounwind]. We never want to insert an unwind into unsafe
context_before:                         // This calls a panic function associated with the pointer check, which
context_after:                         // code, because unwinding could make a failing UB check turn into much